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What is the surface area of a rectangular prism whose length is 6 m, height is 4 m and width is 5 m.

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Princess09aubreyviz
The answer is one hundred twenty
Cheahjimmyviz
a rectangular prism has  height  4m, length 6m & width 5m
thus the surface consist of two  4*6 vertical surfaces
                                           two 4*5 vertical surfaces
                                         & two 6*5 top & bottom surfaces
that is
             2(4*6) =  48
             2(4*5) =  40
             2(6*5) =  60
total surface area =  48+40+60 = 148m²