Mathematics for IGCSE & O level - Symmetry (Section 3 - No. 11)
If a 3D shape has rotational symmetry, which statement is true?
It will rotate about an axis onto itself in only one position.
It will rotate about an axis onto itself in more than one position.
It will reflect onto itself in a line.
It has no planes of symmetry.
Explanation
A 3D shape with rotational symmetry will rotate about an axis onto itself in more than one position.
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