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Right-angled triangles and the hypotenuse

Right-angled triangles and the hypotenuse

Labelled right-angled triangle with sides a and b as shorter sides and side c as the hypotenuse opposite the right angle

Pythagoras' theorem only works in a right-angled triangle. The hypotenuse is opposite the right angle. It is always the longest side.

Pythagoras Lesson

  1. IGCSE
  2. /Maths
  3. /Pythagoras

Step-by-step lessons covering Oxford AQA IGCSE Maths Pythagoras for Core and Extended tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 (Core: 1C and 2C; Extension: 1E and 2E) format. Since content from any part of the specification can appear on either paper, keep number and algebra fluency sharp throughout the course rather than leaving it until near the exam.

Lessons