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OpenStudy (anonymous):
1. The surface area of a rectangular prism is 150 cm². If all the sides are tripled, what will the new surface area be? 1. The surface area of a rectangular prism is 150 cm². If all the sides are tripled, what will the new surface area be? @Mathematics
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OpenStudy (anonymous):
the new surface area will be 9 times as large, so 9*150 so 1350 cm^2
OpenStudy (anonymous):
but y 9?
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