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13 January, 23:33

Erin has a house. The length is 15 ft., the height is 12 ft. and the width is 7ft. what is the area?

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  1. 14 January, 00:51
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    738 ft²

    Step-by-step explanation:

    House is a cuboid which has 6 faces and opposite faces are identical.

    It will have a surface area (SA) of:

    SA = 2[ (l*w) + (h*w) + (l*h) ]

    = 2 [ (15*7) + (12*7) + (15*12) ]

    = 738 ft²
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