Mathematics
Abraham261
9

the height of a triangle is 6 feet less than base x. the area is 56 feet squared

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(1) Answers
clarasouza11

Since area of triangle = (1/2)*base*height Let b = base then 2b-4 = height (1/2)b(2b-4) = 48 b(2b-4) = 96 2b^2-4b = 96 b^2-2b = 48 b^2-2b-48 = 0 (b-8)(b+6) = 0 b = {-6, 8} throw out the negative solution leaving: b = 8 feet (base) . height: 2b-4 = 2(8)-4 = 12 feet . 

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