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28 March, 21:56

The prism has a surface area of 202 ft2.

What would the surface area of the prism be if each dimension were tripled?

ft2

Prism with a length of five feet, a width of nine feet, and a height of four feet

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  1. 29 March, 00:11
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    Old Surface Area = 202 ft^2

    New Surface Area = 1818 ft^2

    Notice we have this ratio: (new area) / (old area) = 1818/202 = 9 and how 3^2 = 9. This is no coincidence.

    The old surface area is multiplied by 3^2 = 9 to get the new surface area

    . If you asked "What would the surface area of the prism be if each dimension were quadrupled?"

    , then you would multiply the old surface area by 4^2 = 16 to get the new surface area So really thats how you would solve that
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