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OpenStudy (kristy):
The surface area of a rectangular prism is 150 cm². If all the sides are tripled, what will the new surface area be?
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OpenStudy (anonymous):
\[S1=a.b.h,S2=(3.a.3b.3h)=27.S1\]
OpenStudy (kristy):
what do you mean by S1?
OpenStudy (anonymous):
S1=150cm²
OpenStudy (kristy):
ok thanks
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