SYMMETRY

It is a quality of som e shapes which some of their parts are reflections of others

AXIS SYMMETRY
It is a shapes quality which is formed by two halves facing each otehr with an axis or fold line in between as if both sides were mirror images of each other.
Symmetry axis: It is a line to divide a shape into two symmetric halves symmetry halves symmetry points are on a perpendicular line to it
Central symmetry: It is the reflection of a object through a point called the symmetryc pair of points are collinear