Find the length of the edge of the cube if the volume of the cube is a) 64 cm b) 343 cm c) 729 cm.

univerkov | May 3, 2021 | education

In order to solve this problem, you need to find the length of the edge of the cube:

1) The volume of the cube is equal to the cube of the length of the edge, since all the edges of the cube are of the same length.

2) Now we find the edge of the cube, if the volume is 64 cm3: 64 = 4 ^ 3, the edge is 4 cm.

3) Now we find the edge of the cube if the volume is 343 cm3: 343 = 7 ^ 3, the edge is 7 cm.

4) Now we find the edge of the cube, if the volume is 729 cm3: 729 = 9 ^ 3, the edge is 9 cm.

Answer: 4 cm, 7 cm, 9 cm.

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