Get a fresh, colourful angle on the basics of geometry! What are angles? Do you know the difference between a triangle and a quadrilateral? These videos on the basics of geometry will help you ...

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

An angle is formed when two straight lines, or rays, meet at a point, called a vertex. Angles are measured in degrees. Skip to main content. ... colourful angle on the basics of geometry! What are ...

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.