GCSE Maths (Edexcel)

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Defining Perimeter

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Geometry and Measures Mensuration and Calculation

Defining Perimeter

2:26 Perimeter
Spec G17
Previous Bearings Next Perimeters of Compound Shapes
  • Perimeter is the total distance around a 2D shape
  • Perimeter is measured in units such as meters, kilometers, and centimeters
  • The perimeter of a shape can be calculated by adding up the lengths of each side
  • Example: the perimeter of a rectangle is found by adding the lengths of all four sides
  • Example: the perimeter of an equilateral triangle is found by adding the lengths of all three sides
  • Perimeter is an important concept in geometry and is used to measure the distance around a shape.

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