A unique set of properties relating to the comparative length of its sides and the comparative size of its angles help to identify equilateral triangles , isosceles triangles , and scalene triangles .

Discusses the properties and types of triangles, explaining that a triangle is a closed figure with three sides and angles. It categorizes triangles into equilateral, isosceles, scalene, obtuse ...

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