Question

What’s the measure of an arc with radius 45 inches and central angle of 135°?

Answer 1

106.028752

Explanation:

First, find the circumference which is 2 pi r.

2pi(45), 90pi, 282.743339

135 out of 360 degrees is 135/360 or 3/8

and 3/8 out of 282.743339 is 106.028752