Question #12892

What is the area of a (A) semicircle whose dia is 20 cm (d)?

A.
147.1 cm<sup>2</sup>
B.
157.1 cm<sup>2</sup>
C.
167.1 cm<sup>2</sup>
D.
177.1 cm<sup>2</sup>
Explanation

No explanation provided.