find each angle measure to the nearest degree calculator

sinA = .4540, A=27.00061091 degrees or 27 rounded off. Step 1. No packages or subscriptions, pay only for the time you need. example 3: ex 3: Convert 2 radians to degrees. But use a calculator to get the more precise answer. I will keep using it in future hopefully it keeps giving me detailed instructions on every step of the question. Reasoning similar to the one we applied in this calculator appears in other triangle calculations, for example the ones we use in the ASA triangle calculator and the SSA triangle calculator! Find the measure of the indicated angle to the nearest degree. Dividing both sides of the equation by 57. . Using Trigonometry to Find Angle Measures. ASA is Angle, Side, Angle Given the size of 2 angles and the size of the side that is in between those 2 angles you can calculate the sizes of the remaining 1 angle and 2 sides. .7547 is slightly more than .707, so X is slightly more than 45 degrees. Right Angle Triangle Calculator. Want to get a handle on your math skills? = central angle in degrees. Put the protractor above the line BC such that the midpoint of protractor is at point B. Learn math, check homework and study for upcoming tests and ACTs/SATs with the most used math learning app in the world! Let us suppose if the answer is 42.7 degrees then the final answer after rounded to nearest degree is 43 degrees. To enter a value, click inside 1) tan A = 2.0503. Have more time on your hobbies You can have more time for your hobbies by making small changes to your daily routine. Convert Angles from Decimal to Degrees, Minutes and Seconds An online calculator to convert angles from decimal degrees to degrees, minutes and seconds using the table of conversion below. 1) sin B = 0.4848. Prior to this app, I had to use Google to help my kids with Math. The perimeter is the sum of the three sides of the triangle and the area can be determined using the following equation: A = 1 2 ab = 1 2 ch Special Right Triangles 30-60-90 triangle: The 30-60-90 refers to the angle measurements in degrees of this type of special right triangle. The full solution can be found here: [Link]. How to find the measure of the indicated angle to the nearest degree? sinA = .4540, A=27.00061091 degrees or 27 rounded off. c =. Use a Calculator to Find Angle Theta (Nearest Tenth of Degree) if Theta is Acute & sin (theta)=0.9465 Wendy 714 subscribers Subscribe Save 5.7K views 1 year ago Given that sin (theta)=0.9465 and. Answer by stanbon (75887) ( Show Source ): You can put this solution on YOUR website! Our top experts are passionate about their work and committed to helping you succeed. We are here to help you with whatever you need. We offer 24/7 support from expert tutors. Many thanks to the creator, i love this app, this helps me on my homework so much, I've tried so many other calculators but this one is the best out there I swear, it even shows you the steps on how to get the answer you got, this is my most recommended for anyone who's struggling with math. Very easy to use, you just have to take a photo of an equation, it automatically focuses the camera. Calculate missing parts of a triangle. $ \cos ^{-1}(0.30) $ Show transcribed image text. 2005 - 2023 Wyzant, Inc, a division of IXL Learning - All Rights Reserved. Using Trigonometry to Find Angle Measures. Further Reading. Circumference divided by diameter calculator, Common difference in arithmetic sequence calculator, Simultaneous equations with three variables, The use of math equations for child support. Divide the number of minutes by 60 and add, Find the angle measure to the nearest degree. B= sin (0.4848)=29 Find the. sinA = .4540, A=27.00061091 degrees or 27 rounded off. How do you find the measure of each angle? Then hit "clear". But hey, these are three interior angles in a triangle! An angle is measured in either degrees or radians. Take some tips from us and learn How to find an angle measure to the nearest degree. Math can be tough, but with a little practice, anyone can master it! 101% using this in the future, 11/10 would recommend. I can't believe I have to scan my math problem just to get it checked. . Helpful good job. Answer (1 of 4): For #1 you'll want to use inverse sine, and for #2 you'll want to use inverse cosine. Our right triangle side and angle calculator displays missing sides and angles! Convert 2 radians angle to degrees: (degrees) = (radians) 180 / = 2 180 / 3.14159 = 114.592 Radians to degrees conversion table 49 looks about right. This is sooooo helpful for my Math subjects. I like how you can use the camera. Since cos () = b/c, from this definition it follows that the cosine of any angle is always less than or equal to one, and it can take negative values. It has every solution I need, but you have to pay to be able to view the steps, super simple, super helpful, easiest A possible. But use a calculator to get the more precise answer. At all questions one by one, which takes a lot of time. Ads aren't a big deal bc they don't show up often, also I would like to say "Buy the premium version of This app, then you will able to know solution of a question step by step with explainations" it's better than trial version, esp if you're doing quadratic problems. But the only problem is that sometimes it mistakes what you wrote and then shows you the wrong results and then I have to scan my question several times then it works, this app is a very nice app, it is amazing if you ever need help with a math problem, and it explains/shows you how to do it step-by-step. 1) sin B = 0.4848. Find each angle measure to the nearest degree. Also each of these. Enter all known variables (sides a, b and c angles A and B) into the text boxes. Math can be a difficult subject for many people, but there are ways to make it easier. They are equal to the ones we calculated manually: \beta = 51.06\degree = 51.06, \gamma = 98.94\degree = 98.94; additionally, the tool determined the last side length: c = 17.78\ \mathrm {in} c = 17.78 in. If you're struggling with math, there's no shame in getting calculation help online. Our team of experts can provide you with a full solution that will help you achieve success. 2) cos Z = 0.1219. This is the only restriction when it comes to building a triangle from a given set of angles. $ \tan ^{-1}(0.06) $ 12. Using Trigonometry to Find Angle Measures Date_____ Period____ Find each angle measure to the nearest degree. This trig degree calculator finds the value of any trigonometric function for any angle in degrees or radians. 45 9) 34 55 you get 15, 30, 60, and 75 degree angles, so approximate which of these the angle is closest to. I truly love this app. To find an angle coterminal to another you can do so by simply adding or subtracting any multiple of 360 degrees or 2 pi radians. How to find the measure of the indicated angle to the nearest degree? 7. I cannot stress enough on how much I love this app/website. Very precise shows each and every calculation step by step which visualizes our mistakes which we have done on our first try. Our clients say Nothing really to . degrees = radians 180 / . Our fast delivery service ensures that you'll get your order as quickly as possible. Again, .736 is a little over .707 = sqr2/2, a common right triangle with 45 degrees. Round lengths to the nearest tenth and angle measures to the . Math can be a difficult subject for many people, but it doesn't have to be! It is easy to use and such more. . Avg. Use a scientific calculator to find the angle measure in each of the following. Table of Conversion 1 degree = 60 minutes 1 minute = 60 seconds 1 degree = 3600 seconds Example: Convert 12.456 degrees into degrees, minutes and seconds To draw a 360 angle, we calculate that 360 360 = 1. X=48.99916333 degrees, use a trig calculator that has inverse functions. Assume that we have two sides, and we want to find all angles. Finally, think about how much time you have to complete the task. Enter this ratio into your scientific calculator and use the inverse sine function to determine the angle. Date________________. This app is an actual life saver, you have made math easier for me, and I remember the problems, explains all the steps and why they took them. How to do that? 8 degrees is in the right range for the solution. Next, consider what type of math is required. Find each angle measure to the nearest degree. Our online tools will provide quick answers to your calculation and conversion needs. To enter a value, click inside, how to maximize a function with one variable, straight line amortization calculator bonds. Plugging our radius of 3 into the formula we get A = 9 meters squared or approximately 28.27433388 m2. Find each angle measure to the nearest degree. The area can be found by the formula A = r2. Enter all known variables (sides a, b and c angles A and B) into the text boxes. The triangle angle calculator finds the missing angles in triangle. It is super good. Who are the experts? ,-EF 7.9 ft m 6.0 ftN 33 For Exercises 16 and 17, substitute numbers into the Law of Cosines to find each measure. Question 1: Find the central angle of a circle of radius 2m with an arc length of 4m? Find each angle measure to the nearest degree- pls show work!! Use your calculator to find each angle measure to the nearest. cosY= .736 Y=42.60821753 = 43 degrees rounded off. That definitely rounds to 49 for nearest degree. Use your calculator to find each angle measure to the nearest degree. The app is amazing, and it doesn't force you to use stupid ads, it has great and easy to use functions. Another way to view X is sin45 is a common angle whose sine is sq2/2 = 0.707. Find the measure of the indicated angle to the nearest degree. Solving math problems can be a fun and rewarding experience. Approved by, Learn to find the missing angles for a triangle using inverse trig functions · Math Antics - Rounding · Maths Tutorial: Trigonometry Law of Sines. Free trigonometry calculator - calculate trignometric equations, prove identities and evaluate functions step-by-step. 7 cm 5 cm 50. 14. VIDEO ANSWER: we're going to use a calculator to find the inverse tangent of one, and that means we're finding the angle. SOH CAH TOA feb 29H a) sin X = 0.1636. How to find the measure of the indicated angle to the nearest degree? An exterior angle is supplementary to its adjacent triangle interior angle. Question: Use your calculator to find each angle measures (in degrees): round to the nearest degree. So, the terminal side will be one-fourth of the way around the circle, moving counterclockwise from the positive x-axis. Doing math questions can be fun! Apply the cosine law which is given by For example, assume that we know aaa, bbb, and \alpha: That's the easiest option. Math is a subject that many students find difficult. Solving math problems can be fun and rewarding! There are several ways to find the angles in a triangle, depending on what is given: Use the formulas transformed from the law of cosines: If the angle is between the given sides, you can directly use the law of cosines to find the unknown third side, and then use the formulas above to find the missing angles, e.g. Expert educator Heather Z. from Oregon State University explains Find each angle measure to the nearest degree calculator. Use your calculator to find each angle measure to the nearest degree. 68 8) 19 27? With so much on their plate, it's no wonder students need help with their homework. Find: exact solutions (default) an approximate solution A circle measures 360 degrees, or 2 2\pi 2 radians, whereas one radian equals 180 degrees. some have another answer as well. For those who need fast solutions, we have the perfect solution for you. This app helps me a lot in any of my maths problem and even any of my problems dealing with numbers I like this app. 8.3--Solving Right Triangles Use your calculator to find each angle measure to the nearest degree: 1) sin-1 (0.72) 2) tan-1 (2.38) 3) cos-1 (0.29) 4) sin-1. SOH CAH TOA feb 29H a) sin X = 0.1636. Use a scientific calculator to find the angle measure in each of the following. 1) sin B = 0.4848. Great app and schoolwork helper. One way is to clear up the equations. Find each angle measure to the nearest degree. Find each angle measure to the nearest degree. Right Triangle Trigonometry - SohCahToa Answer (round to nearest degree): X = Calculate the value for x. Learn how to measure an angle with a protractor. The theorem states that *interior angles of a triangle add to 180180\degree180: How do we know that? Using Trigonometry to Find Angle Measures. Finding the Measure of an Angle: The unknown side of the triangle is evaluated by using the Pythagorean theorem. So, we can simplify this fraction by reducing it to lowest terms: Dividing both numerator and denominator by . cos A = 0.7431, How many questions do you need to pass the algebra 1 eoc, How to multiply two numbers with different signs, Numerical ability questions and answers for bank exam, Parallelogram area and perimeter formulas, Second derivative test multivariable calculator, Simultaneous equations graphically solver, Solutions upper intermediate workbook key, Solving a word problem using a 3x3 system of linear equations: problem type 1, Website that does math word problems for you, Worksheet wave properties and math answers. Round to the nearest degree. Find each angle measure to the nearest degree calculator - Find each angle measure to the nearest degree. Step 2. given a,b,: If the angle isn't between the given sides, you can use the law of sines. Free trigonometry calculator - calculate trignometric equations, prove identities and evaluate functions step-by-step. VIDEO ANSWER: we're going to use a calculator to find the inverse Use your calculator to find each angle measure to the nearest degree. Find the unknown measures. The inches box will also accept decimal values making it possible to calculate the degrees for any slope! 1) tan A = 2.0503 64 2) cos Z = 0.1219 83 3) tan Y = 0.6494 33 4) sin U = 209+ Consultants 9/10 Ratings VIDEO ANSWER: we're going to use a calculator to find the inverse Use your calculator to find each angle measure to the nearest degree. X=48.99916333 degrees, use a trig calculator that has inverse functions. The measures of the angles of a triangle are x+2, x+4, and 2x+10. Use a scientific calculator to find the angle measure in each of the following. Round to the nearest degree. Find each angle measure to the nearest degree Using Trigonometry to Find Angle Measures Date_____ Period____ Find each angle measure to the nearest degree. Now we know that: a = 6.222 in c = 10.941 in = 34.66 = 55.34 Now, let's check how finding the angles of a right triangle works: Refresh the calculator. An exterior angle of a triangle is equal to the sum of the opposite interior angles. They can help improve your problem solving skills and help you to think more logically. You can calculate angle, side (adjacent, opposite, hypotenuse) and area of any right-angled triangle and use it in real world to find height and distances. A near angle measures direction of the line connecting an input feature to its nearest feature at their closest locations. Use your calculator to find each angle measure to the nearest degree. a =. X=48.99916333 degrees, use a trig calculator that has inverse functions. Simply use the triangle angle sum theorem to find the missing angle: In all three cases, you can use our triangle angle calculator - you won't be disappointed. 1/7 of 45 is about 6 1/2 degrees. Using Trigonometry to Find Angle Measures. As a student I highly recommend this app. That's why ++=180\alpha + \beta+ \gamma = 180\degree++=180. Step-by-step explanation: If you are looking for a missing angle measure, you use the 2nd button and the cos button. Find the measure of the indicated angle to . Use a calculator with an inverse sine function. Kuta Software - Infinite Algebra 1. Step 3: Reduce or simplify the fraction of if necessary. Usually, when a finer measure is needed we just add decimal places to the degrees. A link to the app was sent to your phone. This app helps a lot on my math problems, its really helpful, if you know you suck at math or you just wanna confirm your answers, this app is the best way to go. Whether you have three sides of a triangle given, two sides and an angle or just two angles, this tool is a solution to your geometry problems. For the complementary angle, reverse the rise and run. If you have a question, we have an answer! Mathematics is a way of dealing with tasks that require e#xact and precise solutions. Assume we want to find the missing angles in our triangle. Step-by-step explanation: Rounded to nearest degree means we have to round the final answer in the nearest degree. answered 05/05/21. Knowing that 1 radian = 57.29578 degrees we can now find the conversion factor for converting back. sin -1(0.61) 38* p537 #11. To finish the problem, however, it will be necessary to use a calculator function referred to as an "inverse function" to find the actual number of degrees in the angle. A=57.2^o You can use tables or scientific calculator to find the angle A, which is indicted to be an acute angle given sinA=0.8406. 11) B A C 8 11 Doing math tasks can help improve your problem-solving skills. Answer: 22 degrees. X=48.99916333 degrees, use a trig calculator that has inverse functions. The cosine of a 90-degree angle is equal to zero, since in order to calculate it we would need a triangle with two 90-degree angles, which is the definition of a straight line. Solution : The formula to calculate the center angle of a circle is given by: = 360L/2r Where, r is the radius of the circle Theta is the angle in degrees. Negative coterminal angle: 200.48-360 = 159.52 . Find each angle measure to the nearest degree. 32 is close to 30. tan30 = 1/sqr3 = 0.577 32 is a little more than 30, so tan32 is a little more than tan30. But use a calculator to get the more precise answer. Calculating the gcd of 315 and 180 [gcd (315,180)], we've found that it equals 45. Making educational experiences better for everyone. Find each angle measure to the nearest degree. We reviewed their content and use . So degrees and radians are related by the following equations: Our team is here to provide you with the support you need to succeed. Trigonometry Calculator - Right Triangles. Below you'll also find the explanation of fundamental laws concerning triangle angles: triangle angle sum theorem, triangle exterior angle theorem, and angle bisector theorem. Raymond B. Use the following procedure to find angles: This is fantastic for my College Algebra class, love to solve maths in it But here's a problem it can't bring up commons in pairs that would make calculations easier and it can't solve quadratic type equations. Dislike Share Find the measure of each angle indicated. Honestly such a life save and time saver. 7 comments ( 24 votes) Upvote Flag Show more. 10th maths algebra exercise 3.1 solutions, Average rate of change worksheet answer key, Best calculator for accounting and finance, Solving polynomial equations using technology assignment, Unit 5 trigonometric functions homework 5 solving right triangles. Mark M. Because i usually stay back in school cause of cca and i usually reach home at like, 6. b =. 2) cos Z = 0.1219. Find the solution of the initial value problem calculator, How do u find domain and range of a function, How to check if a number is a perfect square, How to find the unknown length of a triangle, Quadratic equations in vertex form worksheet answers, Solving systems of linear equations algebraically quiz level h, Which of the following system of equations is consistent and dependent. Find the measure of the indicated angle to the nearest degree. 2) cos Z = 0.1219. Right triangle trigonometry relates the sides of a right triangle to theangle measures of the two acute angles. Measure of an angle In geometry, an angle. And it is free, shows all the steps, that is almost perfect. Alternatively, if the angle is unknown, but the lengths of the two sides of a right angle triangle are known, calculating the cotangent is just a matter of dividing the adjacent by the opposite side. I enjoy doing mathematical equations because they help me to think logically and critically. Math is a subject that can be difficult for some students to grasp. 1) tan A = 2.0503. = 3.141592654. r = radius of the circle. If you're struggling with a problem and need some help, our expert tutors will be available to give you an answer in real-time. Every triangle has six exterior angles (two at each vertex are equal in measure). Example: a = 3; c = 5 sine = 3/5 angle 1 = 36.87 degrees Add 90 degrees to this angle and subtract the result from 180. Experts are tested by Chegg as specialists in their subject area. To convert degrees to radians, first convert the number of degrees, minutes, and seconds to decimal form. then add +n360 to that where n= any integer. Example. You can input only integer numbers, decimals or fractions in this online calculator (-2.4, 5/7, .). Get a free answer to a quick problem. Find the measure of each angle to the nearest tenth of a degree. Using Trigonometry to Find Angle Measures. To convert degrees to radians, first convert the number of degrees, minutes, and seconds to decimal form. Here, we will show you how to work with Angle measure to the nearest degree calculator. If you need help, we're here for you 24/7. Find each angle measure to the nearest degree- pls show work!! With a little perseverance, anyone can understand even the most complicated mathematical problems. 1) sin Z = 0.4848 3) sin Y = 0.6561 2) sin Y = 0.6293 4) cos Y = 0.6157 . 4 x 4 matrix calculator Aleks math 105 answers Area of a rectangle word problems Best way to learn times tables app Company car list price for p11d Diffraction limit calculator na Find x when y = 18 if y = 5 when x = 4 . Now we just need to find that area. This video provides examples of determining the measure of an angle of a right triangle with the length of two side given. Looking for a way to get detailed, step-by-step solutions to your problems? Date________________. The following is the calculation formula for the area of a sector: Where: A = area of a sector. Math can be tricky, but there's always a way to find the answer. Has gotten me through some problems. There can be more than 190 degrees, in fact there can be more than 360 because the sum of all inter-angles of a hexagon is 540. When the PLANAR method is used for the method parameter, the angle will be within the range of -180 to 180, with 0 to the east, 90 to the north, 180 (or -180) to the west, and -90 to the south. Doing math equations is a great way to keep your mind sharp and improve your problem-solving skills. Use a scientific calculator to find the angle measure in each of the following. The classic trigonometry problem is to specify three of these six characteristics and find the other three. .6239 is a little more than .577, any tangent less than 1 is less than 45 degrees. Read on to understand how the calculator works, and give it a go - finding missing angles in triangles has never been easier! 27 looks about right. Those numbers are degrees. Quadrilaterals Calculator Calculate area, perimeter, diagonals, sides and angles for quadrilaterals step-by-step General Trapezoid Isosceles Trapezoid Parallelogram Rhombus Rectangle Square Related Symbolab blog posts Practice Makes Perfect Learning math takes practice, lots of practice. On your calculator, the inverse trig functions will appear as S I N 1, C O S 1, or T A N 1. A small angle might be around 30 degrees. A railroad curve forms I can't pay for a subscription, but I I there was a way to donate, best calculator I have ever owned if you don't have math app you need to get it it has got me out of tests and homework lots of times, amazing job, this one you have to pay for the extra stuff, but it does give you step by step problem solving , WHY you do certain things and chat with someone if you still don't understand it. SOH CAH TOA feb 29H a) sin X = 0.1636. Note that while tables give angle in degrees and its fractions, in scientific calculator, one has to choose whether angle is desired in degrees or in radians, and after keying in value of sinA, have to seek its inverse. It is used to solve problems and to understand the world around us. Also each of these answers at a minimum include +n360 where n= any integer. Find each angle measure to the nearest degree 1. To solve a math equation, you need to figure out what the equation is asking for and then use the appropriate operations to solve it. is measured in degrees, where a full circle is 360 degrees. 90 360 = 1 4. That definitely rounds to 49 for nearest degree. 7 ft 39 34 & $ % 15. For a quick reference for getting the angle of a pitch, use a speed square. Round lengths to the nearest . This gives A=57.2035^o, which round to the . On this page, you can solve math problems involving right triangles. 7) 55 51? B= sin (0.4848)=29 Find the measure of the indicated angle to the nearest degree. cos-1(0.72) 2x 1.5x 1x, selected 0.5x. 5/5 recommend, and there is options that is pretty cool is to explain to you how he got the answers by steps, bro I love this I hate that I have to pay how to do the steps but this is really easy to use if you don't mind paying $9. radian measure = (315 )/180. 676+ Math Specialists 4.7 Average rating 96096+ Orders . Check out 18 similar triangle calculators , Surface Area of a Rectangular Pyramid Calculator, Sum of angles in a triangle - Triangle angle sum theorem, Exterior angles of a triangle - Triangle exterior angle theorem, Angle bisector of a triangle - Angle bisector theorem, Finding missing angles in triangles - example, As you know, the sum of angles in a triangle is equal to. For example, to draw a 90 angle, we calculate that 90 360 = 1 4. calculate inverse trig values using a table or a calculator (usually pressing shift or . Make sure, first off, that your calculator is in degree mode by hitting the mode 795 Consultants 5 Years in business Determine the angle measure to the nearest degree. cos-1(0.72) 2x 1.5x 1x, selected 0.5x. Find each angle measure to the nearest degree calculator Using a trigonometric ratio to find an angle measure in a right triangle. More sleep more happy i am. Use your calculator to find each angle measure to the nearest degree. Convert 240 degrees to radians. Date________________. 1) tan A=2.0503 An angle bisector of a triangle angle divides the opposite side into two segments that are proportional to the other two triangle sides. arctan (2.0503) = 64 degrees. If you're looking for an instant answer, you've come to the right place. tatianakukunova 11 years ago Easy to use and type in problems, i am 67 so it's been a while since I've had to use algebra and granddaughter doesn't have a good teacher, i have been gets straight A. Find each angle measure to the nearest degree- pls show work!! Now we multiply that by (or its decimal equivalent 0.2) to find our sector area, which is 5.654867 meters squared. The protractor has two 'scales' marked from 0 to 180 degrees on both the ends. 1) sin B = 0.4848. Find the measure of the indicated angle to the nearest degree. Got tricky homework or class assignments? B = 60 degrees. Solve math tasks Better than just an app, Better provides a suite of tools to help you manage your life and get more done. The exterior angles, taken one at each vertex, always sum up to. 1. Choose an expert and meet online. We'll explore quick and easy ways how to Find each angle measure to the nearest degree calculator in this blog post. Alternatively, as we know we have a right triangle, we have, We quickly verify that the sum of angles we got equals. $ \sin ^{-1}(0.20) $ 11. 1) tan A = 2.0503 64 2) cos Z = 0.1219 83 3) tan Y = 0.6494 33 4) sin U = 0.8746 61 5) cos V = 0.6820 47 6) sin C = 0.2756 16 Find the measure of the indicated angle to the nearest degree. 1) tan A = 2.0503. Find each angle measure to the nearest degree. Solving math tasks can be fun and rewarding! You can repeat the above calculation to get the other two angles. However, with a little practice and perseverance, anyone can learn to love math! The perfect snowman calculator uses math & science rules to help you design the snowman of your dreams! Pick the option you need. . Get unstuck ASAP with our step-by-step explanations and animations. You can find websites that offer step-by-step explanations of various concepts, as well as online calculators and other tools to help you practice. .5 = 1/2 which is the sin30, a common angle in trig. That definitely rounds to 49 for nearest degree. But use a calculator to get the more precise answer. For Free. Find each angle measure to the nearest degree. The ratio of the BD\overline{BD}BD length to the DC\overline{DC}DC length is equal to the ratio of the length of side AB\overline{AB}AB to the length of side AC\overline{AC}AC: OK, so let's practice what we just read. The angle in degrees is equal to the angle in radians times 180 degrees divided by pi constant: (degrees) = (radians) 180 / . or. No matter what you're writing, it's important to be versatile and adapt to your audience. The default unit is degree () Also .454 is close to .5. . x ) = Type r to input square roots . For example 45.12 The small circle after the number means "degrees". Great, very helpful, I could figure out math problems that I wouldn't be able to with other calculators or search engines. Trigonometry Calculator - Right Triangles. Find each angle measure to the nearest degree.