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16 vote

Sum of lengths of all edges of a cube is 84 cm, find its volume?

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Sum of lengths of all edges of a cube is 84 cm, find its volume?
1). 686 cubic cms
2). 343 cubic cms
3). 171.5 cubic cms
4). 514.5 cubic cms

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1 answers

41 vote
Answered by on | Votes 41 |

Total Number of Edges in a cube is: 12

Sum of all edges = 84

Length of one edge is $= \frac{84}{12} = 7$

Volume of cube is $7^3 = 343$

Hello, 343 cubic cms is correct

Accepted Answer

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