Symmetry of a line segment

Discuss the rotational symmetry and line symmetry of an equilateral triangle.

Will the lenghts of line segment AB and line segment BC make the length of line segment AC in Fig. 2.33 ?

Lines of symmetry of an angle

Lines of symmetry of an angle

Line of symmetry if a line divides a given figure into two identical halves then we say that the given figure is symmetrical about that line and the line is called the axis of symmetry or line of symmetry.

Lines of symmetry of an isosceles trapezium

Lines of symmetry of a regular pentagon

Lines of symmetry of an isosceles triangle

Lines of symmetry of an isosceles triangle