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22 May, 14:18

A formula for finding SA, the surface area of a rectangular prism, is SA = 2 (ab + ac + bc), where a, b, and c represent the lengths of the edges of the prism. What is the surface area of this prism if a = 12 inches, b = 6 inches, and c = 4 inches?

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  1. 22 May, 16:44
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    144

    Step-by-step explanation:

    We simply need to input these values into the equation.

    S = (ab + ac + bc)

    Where: a = 12 b = 6 and c = 4

    S = (12 * 6 + 12 * 4 + 6 * 4)

    S = 72 + 48 + 24 = 144 inch^2
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