Types of quadrilaterals Thursday, 04 April 2019

1. Square Properties All sides are of the same length All angles are the same, 90 Has two sets of parallel sides Has four lines of symmetry Has rotational symmetry of order 4

2. Rectangle Properties Has two sets of sides of the same length All angles are the same, 90 Has two sets of parallel sides Has two lines of symmetry Has rotational symmetry of order 2

3. Parallelogram Properties Has two sets of sides of the same length Opposite angles are equal Has two sets of parallel sides

4. Rhombus Properties All sides are of the same length Opposite angles are of the same size Has two sets of parallel sides Has two lines of symmetry Has rotational symmetry of order 2

5. Trapezium Properties Has one set of parallel sides Isosceles trapezium Has two sets of angles of equal size Has one line of symmetry

6. Kite Properties Has one set of equal angles Has one line of symmetry

7. Quadrilateral Any four sided polygon which does not fit into any of the described shapes is simply known as a quadrilateral.

Example Name each of the following quadrilaterals (a) (b) (c) (d) (e) (f)