Rohit makes a cuboid of dimensions 5 cm, 2 cm, and 5 cm using clay. How many such cuboids will he need, to make a perfect cube.
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Answered by
4
Answer:
cuboids=(lb+bh+lh)
=(5×2+2×5+5×5) cm^3
=(10+10+25) cm^3
=(20+25) cm^3
= 45cm^3
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Answered by
12
Answer:Volume of cuboid =l×b×h=5×2×5=50cm3
To make a cube, the volume of cuboid should be a perfect cube. Therefore, the volume of 50cm3 should be multiplied by 2×2×5 to make a perfect cube. i.e.,
50×2×2×5=1000
To, that 20, cuboids are required to form a cube.
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