A regular polygon has 5 lines of symmetry. How many sides does it have?
- A.4
- B.5 ✓
- C.6
- D.10
Explanation: For a regular polygon, the number of lines of symmetry equals the number of sides — so it has 5 sides.
Class 6 IMO Mathematics Olympiad practice · Geometry & Spatial Thinking · Symmetry & Shape Properties
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