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

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.

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

Learn about the surface area and volume of prisms with this BBC Bitesize Maths article. For students between the ages of 11 and 14.