SOLUTION: A circular coin has a radius of 3/8 inch. When lying flat how much area does the coin cover, in square inches?

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Question 137409: A circular coin has a radius of 3/8 inch. When lying flat how much area does the coin cover, in square inches?
Found 2 solutions by checkley77, ankor@dixie-net.com:
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
area=pir^2
area=3.14*(3/8)^2
area=3.14*.1406
area=.4416 in^2.

Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
A circular coin has a radius of 3/8 inch. When lying flat how much area does the coin cover, in square inches?
:
Find the area of a circle:
A = pi%2Ar%5E2
A = pi%2A%283%2F8%29%5E2
A = pi%2A%289%2F64%29
A = .441786 sq/inches