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Mathematics 9 Online
OpenStudy (anonymous):

Which equation would best help solve the following problem? The height of a triangle is 5 m less than its base. The area of the triangle is 42 m^2. Find the length of the base. A. 42 = x(x - 5) B. 42 = 1/2 (x)(x - 5) C. 42 = x^2 - 5 D. 42 = 1/2 (x^2 - 5)

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