A right rectangular prism has a length of 8 cm, a width of 3 cm, and a height of 5 cm. What is the surface area of the prism? Enter your answer in the box. cm²

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asked Mar 25, 2018 230k views

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A right rectangular prism has a length of 8 cm, a width of 3 cm, and a height of 5 cm. What is the surface area of the prism? Enter your answer in the box. cm²

Mathematics
middle-school

Tom Groentjes asked

by Tom Groentjes

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The surface area is the sum of the area of the six sides...

A=2(xy+xz+yz)

A=2(8*3+8*5+3*5)

A=2(24+40+15)

A=2(79)

A=158 cm^2

BytesOfMetal answered Apr 1, 2018

by BytesOfMetal

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