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

A quadrilateral is a four-sided shape, where the sides are straight and meet at four vertices.The prefix "quad" means four. There are several types of quadrilaterals. Can you name them?

How else could they possibly map the human heart and produce plots driven by love affairs which discard the simply straight line between two points for triangles, quadrilaterals and other ...

A fun fact about quadrilaterals, provable via some simple high school geometry, for your reading pleasure.

Triangles and QuadrilateralsKeep Learning Grade 4 Math #14: Triangles and Quadrilaterals 06/09/2020 | 14m 54s | ...