GCSE Maths (AQA)

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Area of a Rectangle

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Geometry and Measures Mensuration and Calculation

Area of a Rectangle

3:10 Area
Spec G14
Previous Defining Area Next Area of a Triangle
  • Area of a rectangle can be calculated by breaking it up into squares of known area
  • Area is a measure of the amount of space that a shape covers in two dimensions
  • Area of a rectangle can also be calculated using its length and width
  • The area of a rectangle is equal to its length multiplied by its width
  • Length is the distance the rectangle covers in one direction, width is the distance it covers in the perpendicular direction
  • Multiplying the length and width gives the total number of unit squares covered by the rectangle
  • The formula for calculating the area of a rectangle is important for calculating areas of other shapes
  • Example: a plot of land with a length of 100 meters and a width of 20 meters has an area of 2000 square meters or 0.002 square kilometers

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