SOLUTION: The area of a circle with radius r is given by the formula A=πr^2. If a circle has area 169π square inches, what is the radius?

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Question 445618: The area of a circle with radius r is given by the formula A=πr^2. If a circle has area 169π square inches, what is the radius?
Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!




. We take the positive solution r = 13.