Question

Find the Circumference of the circle. Use 3.14 for π. Round your answer to the nearest tenth.

Answer 1

28.3 cm

Explanation:

The formula to find the circumference is 2•π•radius. The diameter is 9 cm, so the radius is 9/2 = 4.5 cm. So, the circumference is:

2•4.5•3.14 = 28.26 ≈ 28.3 cm