Question

( Am i right, i chose b.)
Find the area of the green sector if ∠ A = 45° and the circle has a radius of 10 inches.

A) 25π
B) 5π/4
C) 5π/2
D) 25π/2

Answer 1

Please post the illustration, OK?

Answer 2

First of all, please think about what FRACTION of the whole area is comprised by the green sector with central angle 45 degrees. Then find the aera of the whole circle and multiply it by that fraction to answer this question.

Answer 3

thanks. So i think its 45/360pie(10)^2. and i got d as an answer. thanks