Edges or sides

Calculate the cube volume, if the sum of the lengths of all sides is 276 cm.

Correct result:

V =  12167 cm³

Solution:

$$\begin{gathered} s=276\text{ cm } \\ s=12a \\ a=s\mathrm{/}12=276\mathrm{/}12=23\text{ cm } \\ V=a^3=23^3=12167{\text{cm}}^3 \end{gathered}$$

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