three cubes of side 6cm are joined end to end find surface area of resulting cuboid
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When we join 3 cube of dimensions 6cm each, it will form a cuboid of dimensions L=18, B=6, H=6.
Surface Area of Cuboid = 2( LB + BH + HL)
= 2 [ (18 x 6) (6 x 6) (6 x 18) ]
= 2 [ 108+36+108 ]
= 2 x 252
= 504 sq.cm
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