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GCSE Maths | Right-angled Triangles

Last updated on  10 Aug 2025
  • Only applies to right-angled triangles
  • Pythagoras theorem
    • a2 + b2 = c2 where c is the longest side
  • SOH CAH TOA (form pyramids)
    • sin(x) = O/H
    • cos(x) = A/H
    • tan(x) = O/A

Question 1

Question 2

Question 3

Question 4

Previous GCSE Maths | Direct and Inverse Proportion | Edexcel
Next GCSE Maths | 3D Trigonometry
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