Two cubes each with side 15 CM are joined end to end to form a cuboid find the surface area of the resulting cuboid
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2+surface area of cube = surface area of cuboid
surface area of cuboid = 2(lb + bh + hl)
= 2(30×15+15×15+15×30)
= 2(1125)= 2250cm^2
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length =30cm
breadth=15cm
height=15cm
S.A of cubiod=2(lb+bh+hl) sq.uts
=2(450+225+450)
=2( 1125)
=2250cm2
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