Consider the following quadrilateral.
What type of quadrilateral is it? There may be more than one correct answer.
How many lines of symmetry does the quadrilateral have?
Consider the ellipse shown below.
Consider the following rectangle. The points $F$F, $G$G, $H$H and $E$E represent the midpoints of the sides of the rectangle.
Which part of a circle lies along a line of symmetry of the circle?