alleryIn an odd-sided regular polygon, an axis joins a vertex to what?
AThe next vertex
BAn opposite vertex
COpposite side midpoint
DThe centre only
Answer & Solution
Correct answer: C. Opposite side midpoint
1. For an odd number of sides, no vertex sits directly opposite another vertex.
2. So every axis passes through a vertex and the midpoint of the side facing it.
3. An opposite vertex pair occurs only when the side count is even.
_Source: Wikipedia, Regular polygon, section Symmetry_
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