Question

The circle above has an area of 144 pi cm^2. What is the area of the blue sector? Use 3.14 for pi . A. 150.72 cm2 B. 25.12 cm2 C. 48 cm2 D. 113.04 cm2

Answer 1

A. 150.72 cm2

Explanation:

blue sector is 120 deg which is 1/3 of circle

so its area:

• 1/3*144 pi= 48 pi cm^2= 48*3.14 cm^2= 150.72 cm^2