Question

Sheetal makes a cuboid of plastics of sides 5 cm, 2 cm, 5cm. How many such cuboids will be need to

form a cube?
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Answer 1

Answer:

It is too easy question

Step-by-step explanation:

DIMENSIONS = 5cm × 2cm×5cm

Volume of a cuboid = l×b×h

=5×2×5=50 cubic cm

(take lcm of the dimenstions of the cuboid 5.2.5 = 10 cm)

Volume of cube = a cube

A × 10 cube

(10 cm cube)

= 1000 cubic cm

So.,no of cuboid required to make a cube = 1000/50 =20

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Answer 2

Answer:

Step-by-step explanation:

Volume of cuboid of plastics = 5 cm * 2cm * 5cm

                                                   = 50 cm^3

Prime Factorization = 2 * 5 * 5

So to make it a perfect cube you need to MULTIPLY 50 with 2 * 2 = 4 * 5

Therefore sheetal will need 20 more cuboids to form a perfect cube.

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