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3 years ago

Find the surface area of the prism.

Mathematics

1 answer:

Nana76 [90]3 years ago

3 0

Answer:

A = 136 cm²

Step-by-step explanation:

There are three pairs of rectangular faces

A = 2(ab) + 2(bc) + 2(ca)

A = 2(ab + bc + ca)

A = 2(3(4) + 4(8) + 8(3))

A = 136 cm²

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