GCSE Foundation and Higher · Free visual lesson
Pythagoras’ Theorem
See why a² + b² = c² works for a right-angled triangle, then use it to find a missing side. A free visual GCSE Maths lesson.
Identify the hypotenuse, understand the areas of the three squares, and work through a missing-side example.
Try the sample questionsNo account or payment needed. Check your exam specification for topic coverage.
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