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13 May, 12:34

The base of a triangle in which a=58.5 in^2 height=9

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Answers (2)
  1. 13 May, 14:06
    0
    Area of a triangle = 1/2 x base x height

    a = 58.5

    height = 9

    58.5 = 1/2 x base x 9

    58.5 = 4.5 x base

    base = 13
  2. 13 May, 15:54
    0
    A = 58.5 h = 9 b = ?

    ...

    Area of a triangle

    Formula : A = 1/2 * b * h

    Substitute A for 58.5 and h for 9.

    A = 1 * b * h

    2

    58.5 = 1 * b * 9

    2

    58.5 = 9b

    2

    Cross Multiply

    9b = 117

    b = 117

    9

    b = 13
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