When an object or figure to be divided into two equal halves, such that the part coincides with the other, is called symmetrical.
If a line divides a given figures into two halves, the line is called line of symmetry or axis of symmetry.
When an object or figure to be divided into two equal halves, such that the part coincides with the other, is called symmetrical.
If a line divides a given figures into two halves, the line is called line of symmetry or axis of symmetry.