GCSE Maths (Edexcel)

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Defining Area

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Geometry and Measures Mensuration and Calculation

Defining Area

2:05 Area
Spec G14
Previous Perimeters of Compound Shapes Next Area of a Rectangle
  • Area is the amount of space a 2D shape covers
  • Units of area include millimeter squared, centimeter squared, and meter squared
  • A square millimeter is the area covered by a square with side lengths of one millimeter
  • A square centimeter is the area covered by a square with sides of one centimeter
  • A square meter is the area covered by a square with sides of one meter
  • Other shapes can have their areas given in terms of these standard units
  • Area is calculated by breaking a shape into standard units and determining the number of units it occupies
  • The units of area are all units of distance in one dimension squared to create a unit in two dimensions
  • The example given involves calculating the area of an L shape made up of squares with an area of one centimeter squared
  • The L shape occupies three squares
  • The area of the L shape is calculated by multiplying the number of squares by the area of one square (3 x 1 = 3 centimeters squared)

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