SOLUTION: what is the circumference and area of a circle d=7.9

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Question 309357: what is the circumference and area of a circle d=7.9
Answer by nyc_function(2741) About Me  (Show Source):
You can put this solution on YOUR website!
C = pi*d
A = pi*r^2
Those are the only two formulas you need to solve this problem.
Can you do it now?