Algebra II

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The height of a right triangle is 7 inches greater than the length of its base. If the area of the triangle is 15 square inches, find the base.

  • Algebra II -

    (1/2)(b)(b+7) = 15
    b^2+7b= 30
    b^2+7b-30 = 0
    (b+10)(b-3) = 0
    b = 3

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