A square has 4 lines of symmetry (vertical, horizontal, and 2 diagonals).
PRIMARY 4 · MATHEMATICS
Symmetry
Top 5 mistakes
Ranked by how often they appear across 56 MOE-aligned practice questions in our archive.
An equilateral triangle has 3 lines of symmetry, not 1.
This would be a rectangle with length ≠ width, which has only 2 lines of symmetry (vertical and horizontal).
While M might look like it could be symmetric, the bottom points are not aligned symmetrically.
The letter P is not symmetric because the bump is on one side only.
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