Question

The sector of a circle has an area of 7π/5 square inches and central angle with

measure 56°.
What is the radius of the circle, in inches?

Answer 1

3



Explanation:

Area = 7pi/5

56/360 × pi r² = 7pi/5

Pi is canceled on both sides.

r² = 7/5 ÷ 56/360 = 9

r = root 9 = 3