Lesson 3 Homework Practice Surface Area Of Rectangular Prisms Answers

Always write (in², cm², ft², m²). Surface area measures 2D space on a 3D object. If you forget the “squared,” the answer is wrong.

A storage shed is shaped like a rectangular prism. The floor is 12 ft by 10 ft. The walls are 8 ft tall. You are painting the walls only (not the floor or ceiling). Find the area to paint. Answer: 352 ft² Always write (in², cm², ft², m²)

A: No. Multiplication is commutative. 2lh equals 2hl. Just ensure you multiply the correct pairs. Always write (in²

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