To calculate the area of a rectangle in Excel, you need to multiply the length with height. That being said, use this formula: =<cell with length>*<cell with height>.

Steps to Find the Area of a Rectangle are listed below: Step 1: Identify length and breath of the rectangle. Step 2: Multiply length and width to get the area of the rectangle.

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.

To calculate the area of a rectangle, you multiply the length by the width. 5cm × 8cm = 40cm² Remember, area is measured in square units, such as square centimetres (cm²) and square metres (m²).