Question

2. The figure shows two semicircles. Find the area of the shaded region. Use 3.14 for pie.

6 cm
6 cm

Answer 1

4.71 (corrected to 3 significant figures)

Explanation:

12 is the diameter of the big semicircle and 6 for the small semicircle

the radii of the big and small circles are 6 and 3 cm respectively

(6/2 × 3.14) - (3/2 x 3.14) = 4.712388.. = 4.71