# How do you find the length of x and y if there is a circle, x is the arc length, there is an angle of 120 degrees and y is the hypotenuse?

##### 1 Answer

Dec 15, 2016

x = 120y

#### Explanation:

Use formula: x = aR

x is arc lenght, R is radius and a is the central angle.

In this case, the arc lenght is:

You can determine x without using the formula.