Which of the following have exactly $3$ lines of symmetry?

Which of the following has no line of symmetry?

Match column A with column B

Column A	column B
Two lines of symmetry
Three lines of symmetry
Four lines of symmetry
No line of symmetry

Draw the following and indicate their lines of symmetry. Two congruent intersecting circles.

Draw the following and indicate their lines of symmetry.A square inscribed in a circles.

Complete the following figures to have the specified number line of symmetry and draw their lines of symmetry.

Complete the following figures to have the specified number line of symmetry and draw their lines of symmetry.

Two supplementary angles are in the ratio $3: 7$. Find the difference between the angles.

Find the supplement of $50°36\prime 52"$.