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?

A polygon is simply a shape with three or more sides and angles. Quadrilaterals are 2D shapes with four sides and angles. There are six special quadrilaterals with different properties. A ...

Trigonometry is a branch of mathematics that studies relationships between the sides and angles of triangles. Trigonometry is found all throughout geometry, as every straight-sided shape may be ...

The Pythagorean theorem, a cornerstone of mathematics for millennia, provides a method for determining unknown sides in right-angled triangles using t ...

Additionally, they could tell the difference between shapes like squares, stars, and crescents, as well as the difference between squares and irregular figures with four sides.

Points with horizontal plus vertical separations like 1.38 + 1.62 would also work, as long as the two numbers add up to 3. Connecting all the dots, we discover that a circle in taxicab geometry ...