Question

Circumference of a circle with a diameter of 15 inches.

Answer 1

Cir = d
`\pi`

C = 15
`\pi`

Explanation:

Answer 2

Exact Answer: 15π inches

Decimal Answer: 47.1 inches

Explanation:

The unit is inches because circumference is one dimension.

1.) Circumference Formula: 2πr or dπ⇒d=diamater ⇒r=radius

2.) dπ=15π

3.) 15 × 3.14⇒approximate answer