Question

Find the circumference and the area of a circle with radius 6 km.

Write your answers in terms of it, and be sure to include the correct units in your answers.

Answer 1

Circumference: 12pi or 37.7

Area: 36pi or 113.1

Explanation:

C = 2(pi)r

C = 2 * pi * 6

C = 12pi or 37.7

A = (pi)r^2

A = pi * 6^2

A = 36pi or 113.1