SOLUTION: Can someone please help me out on this? Determine the radius of a circle if a 24-inch chord is 9 inches from the center. Thanks a lot!

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Question 871347: Can someone please help me out on this?
Determine the radius of a circle if a 24-inch chord is 9 inches from the center.
Thanks a lot!

Answer by rothauserc(4718)   (Show Source): You can put this solution on YOUR website!
Use pythagorean formula
9^2 + 12^2 = r^2 where r is the radius
r^2 = 225
r = 15 inches

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