Four cubes of side 7 cm are joined together to form a cuboid. Find the surface area of the resulting cuboid.
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If two cubes of 7cm are joined then
length = 14
breadth = 7
height = 7
surfaace area of cuboid is
2( lb + bh + hl)
2(14*7 + 7*7 + 7*14)
2( 98 + 49 + 98)
2*245 = 490m
490 + 490
980m^2 answer
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