Area of Triangle Formula: In this article, we cover the definition of triangle and its various types based on the angles and length of side. Besides, we will see how to calculate the area of a ...

Revise using the sine and cosine rules to find a side or angle in a triangle for your National 5 maths exam with Bitesize Scotland interactive practice quizzes covering feedback and common errors.

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