SOLUTION: A rectangle with length L and width W has a diagonal of 10 inches. Express the perimeter P of the rectangle as a function of L.

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Question 857685: A rectangle with length L and width W has a diagonal of 10 inches. Express the perimeter P of the rectangle as a function of L.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
diagonal = 10 in
l^2+w^2= 100
w^2=(100-L^2)
w= +/- sqrt%28100-L%5E2%29
Perimeter = 2(L+W)
Perimeter = 2(L+/-sqrt(100-L^2))