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!

Algebra ->  Circles -> 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!       Log On


   

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) About Me  (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