Radha makes a cuboid of plasticine of sides 3cm×3cm×4cm. How many such cuboids will she need to form a cube?
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Step-by-step explanation:
The least integer side of cube is the L.C.M. of sides of small cuboid 3,3,4 i.e. =12 which is completely divisible by each of three sides of small cuboid hence the number of cuboids 3cm×3cm×4cm
=volume of cube of side 12 cmvolume of cuboid of sides 3cm×3cm×4cm
=12^3/3×3×4
=48
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48 ans
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