How to find the surface area of a rectangular prism?.

Mathematics

1 answer:

lana66690 [7]2 years ago

8 0

Answer;

A=2(W·l+h·l+h·w)

Step-by-step explanation:

multiply all the numbers by eachother and multiply by 2

· is multiply

For example:

length-12

height-5

width-7

12×5+5×7+7×12=179

179×2<u>=358</u>

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