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Mathematics 8 Online
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?

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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