Question

What is the circumference of the circle below? (Round your answer to the nearest tenth.)

OA. 56.5 cm
OB. 113.1 cm
OC. 254.5 cm
OD. 28.3 cm

Answer 1

A. 56.5 cm

Explanation:

circumference of the circle is Pi times diameter

diameter is radius times 2

diameter is 9 times 2

diameter is 18

circumference of the circle is Pi times 18

circumference of the circle is 3.14 times 18

circumference of the circle is 56.52