There are six special quadrilaterals with different properties. A rectangle has two pairs of equal sides. It has four right angles (90°). The opposite sides are parallel. The diagonals bisect ...

Rebecca McGraw, Quadrilaterals: Diagonals and Area, The Mathematics Teacher, Vol. 110, No. 7 (March 2017), pp. 498-504 ...

Learn about and revise angles, lines and multi-sided shapes and their properties with this BBC Bitesize GCSE Maths Eduqas study guide.