Question

Help me pls

The circumference of a circle is 171 cm.
What is exact the area of the circle?
Do not round. Include correct units.
Show all your work.

Answer 1

72.25π cm²

Explanation:

C = 2πr

17π cm = 2πr

Divide both sides by 2π.

8.5 cm = r

r = 8.5 cm

A = πr²

A = π × (8.5 cm)²

A = 72.25π cm²