two cubes each of side 8cm are placed together. find the surface area of the cuboid thus formed
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Step-by-step explanation:
when two cubes are joined then it result to a cuboid
so total surface area will be the surface area of cuboid
= 2(lb+bh+lh)
=2(16*8+8*8+8*16)
=2(128+64+128)
=2*320
640
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