Explore the triangle area formula, its derivation, and practical examples to master this essential geometric concept effortlessly.

Revise how to calculate the area of a triangle. Learn how to calculate the triangle's area by first finding the area of a rectangle in this BBC Bitesize maths guide.

In this Maths article, learn how to calculate the area of a right-angled triangle.

Learn how to calculate the areas of rectangle, triangle, and circle in Excel for a single cell or range of cells usin this formula.