GCSE Maths (Edexcel)

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Volume of a Prism

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Geometry and Measures Mensuration and Calculation

Volume of a Prism

2:45 Volume
Spec G16
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  • The volume of a prism is determined by its length and the area of its cross section
  • The formula for the volume of a prism is area of cross section times length
  • A prism is a 3D shape with the same cross section throughout its length
  • The volume of a cuboid is a special case of the volume of a prism formula
  • To calculate the volume of a prism, you need to know the area of its cross section and the length of the prism
  • The area of the cross section can be calculated using the formula for the area of a triangle (base times height divided by 2)
  • The volume of a prism is equal to the area of its cross section times its length
  • In an exam, you may be given the cross sectional area or need to calculate it yourself to find the volume of a prism.

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