SOLUTION: How long must a wire be to reach from the top of a 13 meter telephone pole to a point on the ground 9 meters from the foot of the pole?

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Question 308385: How long must a wire be to reach from the top of a 13 meter telephone pole to a point on the ground 9 meters from the foot of the pole?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
9^2+13^2=c^2
81+169=c^2
250=c^2
c=15.81 meters