Question

The diameter of a circle is 16 in. Find its area in terms of π

Answer 1

64
`\pi`

Explanation:

A=
`\pi r^(2)`

Divide 16 by two to get the diameter: 8

Square 8: 64

Since the answer is in terms of pi, the answer is 64
`\pi`

Answer 2

64 π

Explanation:

Diameter = 16 inches

Radius = 16/2 = 8 inches

Area of circle = πr²

= π(8)²

= 64 π sq inches