Draw triangles with one line of symmetry and three lines of symmetry. Can you draw a triangle with no line of symmetry.

For the following figure which one is the line of symmetry, $l_1$ or $l_2$:

The diameter of the circle is one of its lines of symmetry.

A pentagon has $5$ lines of symmetry.

A line of symmetry always divides a figure into two congruent figures.

A right-angled triangle may have only one line of symmetry.