Relationship of Symmetry

Relationship of Symmetry

Two figures are said to be in a relationship of symmetry when one can be mapped to the other by a bijection such that two of their corresponding points are equidistant from and on either side of a point, line or plane.

Examples

In each illustration below, $$m\overline{\textup{PO}} = \moverline{\textup{PO’}}$$.