CHAPTER - 13
SYMMETRY
Symmetry:
Dividing the given figure into two identical parts.
Line of Symmetry:
The line along which the figure is divided into two identical parts.
Types of line of Symmetry Vertical, horizontal or diagonal.
Vertical Line of Symmetry
Horizontal Line of Symmetry
Diagonal Line of Symmetry
* A line has no line of symmetry. A regular polygon has as many lines of symmetry as the number of sides.
* An object and its image are symmetrical with reference to the mirror
* An object can have many symmetrical lines while another object can have no symmetrical line at all. eg circle has infinite lines of symmetry whereas scalene tringle doesn't have any line of symmetry.
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