Question

What is the circumference if the radius is 8?
Also explain please.

Answer 1

16π

Explanation:

π is the ratio between the circumference and the diameter. 2x8xπ = 16π

Answer 2

Answer: 16π, or 50.2655

Explanation:

Circumference is calculated using πd, where d is the diameter. Since d = 2r, where r is the radius, this can be rewritten as circumference = π2r. Plugging our radius, 8, into the equation gives us π(2)(8), which simplifies to 16π, or 50.2655.