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3 years ago

8

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

1 answer:

vodomira [7]3 years ago

8 0

Answer:

C = pi * d

Step-by-step 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

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