Mathematics for IGCSE & O level - Symmetry (Section 1 - No. 44)
In the context of symmetry, what does 'order' refer to?
The size of the shape.
The complexity of the shape.
The number of times the shape fits itself during a full rotation.
The number of vertices the shape has.
Giải thích
The order of symmetry is the number of times the shape fits onto itself during a full rotation.