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A solid cube of side 12 …

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A solid cube of side 12 cm is cut into eight cubes of equal volume.What will be the side of the new cube? Also,find the ratio between their surface areas.

    • Posted by Vishu Bastara 2 years, 3 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Ishika Sharma 2 years, 3 months ago

    Volume of the bigger cube= (A)3=(12)3=1728cm3(cube) Volume of small cube = 1728/8= 216cm3 Volume of small cube =a3 = 217cm3 3√216cm3 = a3 3√6×6×6=a A=6 Ratio =SA of big cube /SA of small cube 6A2/6a2 = 12×12/6×= 4/1 So the ratio will be 4:1

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