Question

Solid cube of side 12 is cut into eight cubes of equal volume.what will be the side of the new cube .also find the ratio between their surface

Answer 1

Answer:

Step-by-step explanation:

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Answer 2

Vol. of cube = 12^3 = 1728 units.

ATQ,

1728 ÷ 8 = 216

Now, a^3 = 216

a = 6 units

Surface of cube 1 : Surface of cube 2

= 12 × 12 : 6 × 6

= 144 ÷ 36

= 4 : 1

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