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.

Area of a triangle To calculate the area of a rectangle you multiply the length by the width. A right-angled triangle is like half a rectangle.

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