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posted by Anonymous on Wednesday, June 27, 2012 at 6:32am.
The height of a triangle is 4x + 5 inches and its base is equal to its height. Find its area.
area = (1/2)(4x+5y)(4x+5y) = (1/2)(16x^2 + 40xy + 25y^2) or 8x^2 + 20xy + 25y^2 /2
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