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How to Determine the Surface Area of a Rectangular Prism (Ctrl + link to open in a new tab)

(4 points)
​​Determine the area of the top of the rectangular prism.
square inches

Determine the area of the side of the rectangular prism.
square inches

Determine the area of the front of the rectangular prism.
square inches

What is the total surface area of the rectangular prism?
square inches​​​​​​​

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3 answers

The area of the top of the rectangular prism is 15 square inches.

The area of the side of the rectangular prism is 24 square inches.

The area of the front of the rectangular prism is 18 square inches.

The total surface area of the rectangular prism is 90 square inches.
there is 4 of them so what the 4th one
Apologies for missing that - here is the surface area calculation for all sides of the rectangular prism:

1. Top: 15 square inches
2. Side 1: 24 square inches
3. Front: 18 square inches
4. Bottom: The area of the bottom of the rectangular prism would also be 15 square inches.

Therefore, the total surface area of the rectangular prism is 72 square inches.