Answer:
6
Explanation:
a cube has sides of the same length hence its volume is obtain as cubed side.
we have the volume and we need the side:
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![\sqrt[3]{216} =\sqrt[3]{3^(3) 2^(3) } = 3*2 = 6](https://img.qammunity.org/2020/formulas/mathematics/middle-school/bwhhj8mzy9qz8bkx3b4nuev59pnphligvy.png)