Mathematics for IGCSE & O level - Symmetry (Section 1 - No. 35)
What is the minimum number of lines of symmetry a regular polygon with 'n' sides can have?
1
2
n
n/2
คำอธิบาย
A polygon with an odd number of sides will always have one line of symmetry. An 'n'-sided polygon will have n lines of symmetry.