Not quite sure of the answer. help me out???

asked Dec 16, 2021 136k views

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Answer:

C = pi * d

Explanation:

C = 2 * pi *r

We can replace 2 * r with d since the diameter is twice the radius

C = pi * 2*r

C = pi * d

Ufuk answered Dec 21, 2021

by Ufuk

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