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Two cube each of 10 cm edge are joined end to end. Find surface area of resulting cuboid
Solution
Here the length becomes double, ie 20cm,
other variabls , breadth and height remians same, since the cubes are joined side to side. Length of cuboid= 20cm breadth= 10cm height= 10 cm
total surface area of cuboid = 2(lb+bh+ lh)
=2(20×10+10×10+20×10) =2(200+100+200) =2*500cm.sq=1000 sq.cm
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