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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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Answer» 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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