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The cross section of a prism has n sides.

Circle the expression for the number of edges of the prism.

Circle the expression for the number of edges of the prism.

This is just a rule, which is worth getting down on a revision card!

This is just a rule, which is worth getting down on a revision card!

**Question**

14) The cross section of a prism has n sides.

Circle the expression for the number of edges of the prism.

Circle the expression for the number of edges of the prism.

**[1 mark]**