Three cubes each of side 5 cm are joined side to side. Find the surface area of the resulting cuboid.
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Step-by-step explanation:
The dimensions of the cuboid so formed are as under:
l= length=15cm,b= breadth=5cm, h= height =5cm
Surface area of the cuboid =2(15×5+5×5+15×5)cm
=2(75+25+75)cm ^2
=350cm ^2
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