Question

Given a circle with a radius of 7, which equation expresses π as the ratio of the circumference of a circle to its diameter?

Answer 1

Explanation:

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We want the ratio:

circumference πd

---------------------- = ---------------- = π

diameter d

Answer 2

C = 14pi

Explanation:

Diameter = 2(radius)

Diameter = 14

C = pi(d)

C = 14pi