Homework Help: MATH

Posted by REANNA on Sunday, December 14, 2008 at 11:16pm.

a guy wire is connected 3 ft. from the top of a pole. The guy wire is 36 ft long and it is fastened to an anchor in the ground that is 12ft. from the base of the pole. How tall is the pole? (nearest tenth)

PLEASE HELP!
=)

MATH - s, Sunday, December 14, 2008 at 11:21pm
this is a right triangle
the base is 12ft
hypotenuse is 36ft

x^2 + 12^2 = 36^2
x^2 = 36^2 - 12^2
x^2 = 1152
x = 33.9ft

the pole is 33.9ft + 3ft = 36.9ft

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