The volume of a cube is $1331 \text{ cm}^{3}$. Find its edge.

The volume of a cube is $1331 \text{ cm}^{3}$. Find its edge.
  1. $10$ cm
  2. $11$ cm
  3. $12$ cm
  4. $13$ cm

Solution

$a^{3} = 1331 \Rightarrow a = \sqrt[3]{1331} = 11$ cm.

Asked in: IMO

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