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15 July, 08:14

A triangular pyramid with a height of 9 inches has a volume of 63 cubic inches. If the height of the triangular base is 6 inches, what is the base length of the triangular base?

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  1. 15 July, 09:15
    0
    3.5 inch

    Step-by-step explanation:

    V = 1/3 AH

    63 = 1/3 * A * 9

    A = 21

    Triangle area + base length x base height

    21 = 6 x L

    l = 21 / 6 = 7 / 2 = 3.5
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