Question 154743
During construction, carpenters often brace walls. 
The appropriate length of the brace is given by the formula L= sqrt(f^2+h^2) . If a carpenter nails a 10-foot brace to the wall 6 feet above the floor, how far from the base of the wall should he nail the brace to the floor? 
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Draw the picture. 
You should see a right triangle with hypotenuse = 10 and height = 6.
Solve for the base length.
base = sqrt[10^2- 6^2]
base = sqrt[64] = 8
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Ans: 8 ft. from the base of the vertical wall.
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Cheeers,
Stan H.