SOLUTION: A circular garden has an area of 100 pi feet squared. What is the circumference of the garden in feet?

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Question 907976: A circular garden has an area of 100 pi feet squared. What is the circumference of the garden in feet?

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,

A = pi%2Ar%5E2+=+100pift^2
r^2 = 100ft^2 (Tossing out the negative solution for unit measure)
r = 10ft
C = 20pi ft