1
of
A solid cube al sidi 30cm is cut into
eight cubes of equal volume. What will
be side the new cube?
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1
of
A solid cube al sidi 30cm is cut into
eight cubes of equal volume. What will
be side the new cube?
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Answer:
Volume of old cube =a³
⇒(12)³=1728 cm³
No.of cubes =8
Volume of old cube = 8* volume of 1 new cube
1728=8*a³
1728/8=a³
12/2=a
6 cm=a
Surface area of old cube/ surface area of new cube=6*(12)²/6*(6)²
=144/36=4/1=4:1