Asked by Anonymous
A rectangles width is one half its length. If the diagonal equals 20 inches find the area
Answers
Answered by
Steve
so, the length is 2w
w^2+(2w)^2 = 20^2
solve for w, then the area
a = w(2w) = 2w^2
w^2+(2w)^2 = 20^2
solve for w, then the area
a = w(2w) = 2w^2
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