The length, breadth and height of a cuboidal box are 15 cm, 12 cm and 8 cm respectively. Find its total surface area. (ANS. 792 cm²)
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Total Surface area of cuboid =2(lb + hb + lh)
Total Surface area of cuboid= 2(15*12 +8*12 + 15*8)
Total Surface area of cuboid= 2(180 + 96 + 120)
Total Surface area of cuboid= 2(396)
Total Surface area of cuboid= 792 square cm.
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