Question

The circle below has a radius of 12 cm. What is the area of the shaded region? If necessary, round your answer to two decimal places. Do not include units in your answer.

(Picture below.)

Answer 1

The answer is 48pi (APEX)

Answer 2

Area of the circle: A= r² π and this is 1/3.
A = 12² π /3 = 144 π /3 = (144· 3.14) : 3 = 452.16 : 3 = 150.72
The area of the shaded region is 150.72