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

The angle sum of a quadrilateral is 360 degrees, as long as there are four straight sides and they meet at a vertex. To create an enclosed shape, the angles must all add up to 360 degrees. These ...

Learn about angles in triangles and quadrilaterals with this BBC Bitesize Maths article. For students between the ages of 11 and 14.

Check (2020-21 edition) NCERT Solutions for CBSE Class 8: Chapter 3 - Understanding Quadrilateral by Jagran Josh experts and prepare for CBSE Class 8 Maths exam 2020-21.