Question

The diameter of a circle is 16 miles. What is the circumference?

Give the exact answer in simplest form.

Answer 1

Answer:16π

Explanation:

C=2πr or πd

C=16π

Answer 2

circumference = π × diameter

circumference = π × 16

circumference ≈ 50.24 miles

Therefore, the circumference of the circle is approximately 50.24 miles.

simplest form:

circumference = π × diameter

circumference = 16π

Therefore, the circumference of the circle is 16π miles.