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March 3, 2015

March 3, 2015

Posted by **timothy** on Monday, February 14, 2011 at 10:45pm.

- math -
**tchrwill**, Wednesday, February 16, 2011 at 10:04amThe diagonal brace is 75 ft. long.

The height of the diagonal is "h".

The horizontal distance that it spans is h + 15.

Thus,h^2 + (h + 15)^2 = 75^2 or

h^2 + h^2 + 30h + 225 = 5625.

Simplify and solve for h and h + 15.

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