Mathematics for IGCSE & O level - Symmetry (Section 1 - No. 28)
Which statement accurately describes the line of symmetry?
It's the number of times a shape fits itself in one turn.
It divides a shape into two identical parts.
It is the same as rotational symmetry.
It is the degree of rotation of an image.
解释
A line of symmetry divides a shape into two identical parts.