The edge of a cube is 20 cm. How many small cubes of 5 cm edge can be formed from this
cube? please answer
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✝ Quesion :
The edge of a cube is 20cm . how many small cubes of 5cm edge can be formed from this cube
✝ First , the volume of the large cube of edge 20cm
✝ Now Volume of small cube of edge 5cm :
✝ Number of cubes of edge 5cm that can be formed from the cube of edge 20cm :
= Volume of cube of edge 20cm/Volume of cube of edge 5cm
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Step-by-step explanation:
Let the no. of cubes be x.
Then,Volume of big cube=Volume of each small cube×no.of cubes
=(20)^3=(5)^3 × x
=8,000=125 × x
=8,000÷125=x
=64=x
so no. of cubes=64.
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