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CBSE Class 9 Answered

A solid cube of side 4 cm is cut into eight cubes of equal volume. Calculate the edge of the new cube.
Asked by Topperlearning User | 23 Aug, 2017, 03:03: PM
answered-by-expert Expert Answer

Volume of cube of edge 4 cm (V) = (edge)3 = 64 cm3

Let ‘a’ be the edge of each of the eight cubes cut out of the cube of edge 4 cm.

Volume of cube of edge ‘a’ (V1) = a3

Then, N × V1 = V

           

⟹       a = 2 cm

Answered by | 23 Aug, 2017, 05:03: PM

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