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posted by Peter Tuesday, January 11, 2011 at 9:32pm.

If a right triangle has legs of 9in. and 12in. What is the length of the hypotenuse?

a^2 + b^2 = c^2 9^2 + 12^2 = c^2 81 + 144 = c^2 225 = c^2 15 = c

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