Question

Three cubes of side 4cm are placed together. Find the volume and surface area of the cuboid thus formed.

Answer 1

Step-by-step explanation:

breadth of cuboid = 4cm

height of cuboid = 4cm

length of cuboid = 3x4 = 12cm

so, volume of cuboid = l x b x h

= 4 x 4 x 12

= 192cm³

Answer 2

Step-by-step explanation:

Length = 3×4 =12cm

Breadth = 4cm

Height = 4 cm

Surface area of the cuboid = 2(lb+bh+lh) = 2(12×4+4×4+12×4) = 2(48+16+48) = 2×112 = 224 cm²

Volume = lbh = 4×12×4 = 192 cm³

Hence Proved

Hope you understand

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