GCSE Maths Test | Volume and Surface Area | Edexcel

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  • Volume of a prism = area of cross-section x length
  • Volume of cone = 1/3 x volume of cylinder
  • Volume of sphere = 4/3 x πr3
  • Curved surface area of cone = πrl
  • Surface area of cone = πrl + πr2
  • Curved surface area of cylinder = 2πrh
  • Surface area of cylinder = 2πrh + 2πr2

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GCSE Maths | Proof

* any number: n * any even number: 2n * any odd number: 2n+1 * proving it is a multiple of 8: factorise 8 out and show 8( ) * proving it is a square number: factorise it
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GCSE Maths Test | Surds | Edexcel

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