Which mathematician, born on Samos in the 6th century BCE, is credited with the theorem relating the sides of a right-angled triangle?

• A Euclid
• B Pythagoras ✓
• C Thales
• D Archimedes

Pythagoras of Samos (c. 570-495 BCE) founded a philosophical and religious school in Croton, southern Italy; the Pythagorean theorem (a² + b² = c²) was known earlier but is named after his school.