Question

What is the approximate perimeter of a semicircle with a radius of 12 cm?

Use 3.14 to approximate pi.

A.
18.84 cm

B.
30.84 cm

C.
61.68 cm

D.
75.36 cm

Answer 1

The answer is C. 61.68.

The formula for the perimeter of a semicircle is pi x diameter ÷ 2 +diameter.

If you plug the numbers in, you will get letter C as your final answer.

Answer 2

the answer i hope is b