SOLUTION: Find the circumference of a circle with a diameter of 21.

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Question 636071: Find the circumference of a circle with a diameter of 21.
Answer by jim_thompson5910(28595) About Me  (Show Source):
You can put this solution on YOUR website!
C = pi*d

C = 3.14*21

C = 65.94

So the circumference is roughly 65.94 units .