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How do you find the length of an arc in a circle?
You can measure it with a string. If you want to calculate it based on other measurements, you can multiply the radius times the angle, assuming the angle is in radians. If the angle is in degrees, convert it to radians first.
What is the square root of a right angle?
A right angle is 90 degrees. The square root of a right angle would be the square root of 90, which is 9.486.
How can a compass help in math?
A compass can be used to calculate distance by angle and to help draw circles as well as finding the radius, diameter, and circumference of the circle.
What is the radius of a circle when the area is 706.9?
The area of a circle is found by the equation pi times r2. To calculate the radius from the area we need to divide the area by pi and get the square root of the result. if we use 3.1418 as a close approximation of pi, we get 706.9 ÷ 3.1418 = 225 and the square root of 225 = 15.
How do you calculate the square root of a right angle triangle?
Relax. You'll never be asked to do that. Only numbers have square roots. Triangles don't.
