Question

Find the area of a circle with a diameter of 6

Either enter an exact answer in terms of π and enter your answer as a decimal.

Answer 1

A = 9pi

Explanation:

The diameter is 6

Divide by 2 to get the radius

d/2 = 6/2 = 3

The area is given by

A = pi r^2

A = pi (3)^2

A = 9pi