SOLUTION: calculate the area of a circle whose radius is 2cm

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Question 521788: calculate the area of a circle whose radius is 2cm
Answer by jim_thompson5910(35256) About Me  (Show Source):
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A = pi*r^2

A = (3.14159)*(2)^2

A = (3.14159)*(4)

A = 12.56636

So the area is approximately 12.56636 square cm

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