Alisha makes a cuboid of plasticine of sides 2 cm, 2 cm, 3 cm. How many such cuboids will be needed to form a cube ?
Alisha makes a cuboid of plasticine of sides 2 cm, 2 cm, 3 cm. How many such cuboids will be needed to form a cube ?
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Answer:
Since, Factors of 5 and 2 both are not in group of three. Therefore, the number must be multiplied by 2×5×2 = 20 to make it a perfect cube. Hence he needs 20 cuboids.