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A rectangular prism has a square base with area 9 m2. The surface area of the prism is 78 m2. What are the dimensions of the prism?
7 years ago

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Steve
the base has side length 3
there are 4 sides with area 3h = 12h
there are two ends with area 9 = 18

12h+18 = 78
h=5

The prism is 3x3x5
7 years ago

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