find the total surface area of a box whose Length breadth and height are 12cm 8cm and 5cm respectively
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Given, Length of the cuboid (l)=12cm
Breadth of the cuboid (b)=8cm
Height of the cuboid (h)=5cm
Surface area of a cuboid =2(lb+bh+hl)
=2(12x8)+(8x5)+(5x12)
=2x96+40+60
2x196=392 is the answer
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