Question

What is the area of the shaded region?
A. 16π
B. 8π
C. 4π
D. 2π

Answer 1

b

Explanation:

4 of the nonshaded areas =a

Answer 2

Area of a circle = pi x r^2

Area of the circle = 4^2 x pi = 16pi

3/4 of the circle is shaded

area of shaded portion = 3/4 x 16pi = 12pi

Answer 12 pi