matht

Find the surface area of the prism.

A drawing of a rectangular prism. It has length 3 feet, width 7 feet and height 2 feet.

The surface area is
square feet

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  1. Front area = 3x2 = 6 ft^2
    side area = 7x2 = ..
    top area = 3x7 = ...
    add them up
    But you have each of those surfaces twice
    So double that to get your total area.

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  2. A rectangular prism is 3 feet long, 15 feet wide, and 2 feet high. What is the surface area of the rectangular prism?

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