Question

What is the measurement of the indicated central angle. 6 pi. R=15

Answer 1

r=12

Explanation:

r=12

circumference of arc = theta/360*2πr=3π given

Pi cancels

theta/360*2*12=3

theta*6/90=3

theta*3/45=3

3 cancels,45 to the other side

theta=45 degrees

This should do it :)