Question

three cubes each of volume 8cm³ are placed one against the other in one line .Find the total surface area of the cuboid formed

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Answer 1

Volume of cubes s

3

=8cm

3

Measure of each side s=2 cm

The two cubes are placed end to end.

Then,

Dimensions of the resulting cuboid =>

Length=(2+2) cm=4 cm

Breadth=Height=2 cm

Total surface area of the cuboid =2(lb+lh×+bh)

=>2[(4×2)+(4×2)+(2×2)] cm

2

=>[2×(8+8+4)]cm

2

=>[2×20]cm

2

=>40cm

2

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