SOLUTION: i don't understand how find the exact area of a circle with the given radius r or diameter d. Then find the area of the nearest hundredths for this problem d=16ft

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Question 292715: i don't understand how find the exact area of a circle with the given radius r or diameter d. Then find the area of the nearest hundredths for this problem d=16ft
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
You should know the formula for the area of a circle
A=pi*r^2
r=d/2
pi=3.14
Just plug in 16 for d and solve for A.