# Pythagorean Theorem

**Definition of "Pythagorean Theorem":** In mathematics, the Pythagorean theorem, also known as Pythagoras' theorem, is a fundamental relation in Euclidean geometry among the three sides of a right triangle

## Content tagged with: Pythagorean Theorem

### Pythagoras and His Enduring Legacy in Modern GCSE Maths

The legacy of Pythagoras, the ancient Greek mathematician, extends far beyond the classical era into the very fabric of modern mathematics.

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