Find the surface area of a cuboid whose length, breadth and height are 15 m, 12 m and 4.5 m respectively.
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TSA of cuboid= 2(lb+bh+lh)
= 2(15x12+12x4.5+4.5x15)
= 2(30+54+67.5)
= 2(151.5)
= 303m
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