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20 April, 08:30

Samantha is painting a box to use as a prop in her cheer routine if the box is 9 inches long 20 inches wide and 12 inches tall what is the surface area of the box to be painted

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  1. 20 April, 10:48
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    1056 Square inches.

    the formula for surface area of a rectangular prism is 2lw+2lh+2wh = SA

    2 (9*20) + 2 (9*12) + 2 (20*12) = 1056 square inches
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