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Tom solved the problem a different way. First he found the total area of the floor, and then he multiplied by the height. Does Tom’s method work? Explain.

Tom solved the problem a different way. First he found the total area of the floor-example-1
User Alex J
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No, he has to find the floor and roof before multiplying by the height.
User Roshawn
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No.

Tom forgot about the area of the top/roof, the floor and roof are different dimensions/areas, making his method incomplete.

He needs to find area of Roof, Floor then times height.
User Jonleighton
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