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8 June, 18:49

The figure (triangular prism) below has a height of 18 inches and a volume of 864 cubic inches. What is the area of the base of the figure? A. 7776 in B. 48 in C. 24 in D. 162 in

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  1. 8 June, 21:38
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    The answer is B.

    Step-by-step explanation:

    It is given that the formule of volume of prism is V = a * h where a stands for area of cross-section. Then, substitute the following value into the formula:

    V = 864 in³

    h = 18 in

    a = ?

    864 = a * 18

    Next, you have to make a as the subject by dividing 18 on both sides:

    864 : 18 = a * 18 : 18

    48 = a

    a = 48 in²
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