Question

The diameter of a circle is 8 inches. What is the area?

d=8 in

Give the exact answer in simplest form.

Answer 1

Explanation:

Radius = Half of Diameter

r = 8/2

= 4 in.

Area of Circle =

`\pi {r}^(2) \\ = \pi( {4}^(2) ) \\ = 16\pi \: {in}^(2)`