This gives the number of lines of symmetry of the triangle. Count how many ways the triangle will fit into its outline in a full turn (360°). This gives the order of rotational symmetry.

• An isosceles triangle has 1 line of symmetry. • A square has 4 lines of symmetry. • A circle has unlimited lines of symmetry! Start activity. Play Bitesize games. Level up now! Take on ...

b. Or “The points can cross the line of symmetry”. c. Students will gain an awareness of the property of equidistant. You might hear them say, “The point on one side of the line is the same distance ...