SOLUTION: A circular pond has an area of 36 straight pi. It is surrounded by a 4 foot walkway. What is the area of the walkway?

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Question 1079222: A circular pond has an area of 36 straight pi. It is surrounded by a 4 foot walkway. What is the area of the walkway?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Find the radius of the pond.
pi%2AR%5E2=36pi
R%5E2=36
R=6ft
So the walkway has an inner radius of 6 ft and an outer radius of 10 ft.
A%5Bw%5D=pi%2810%5E2-6%5E2%29
Work that out for your final answer in ft%5E2.