# geometry

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what is the surface-area-to-volume ratio for a rectangular prism with edge lengths 6, 5, and 9?

• geometry -

Surface area = 2(6x5) + 2(6x9) + 2(5x9) = 258
Volume = 6x5x9 = 270

so surface area : volume = 258 : 270 = 43 : 45

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