The Greeks Spotlight on Ancient Greeks The Mycenaeans and Homer Greek Settlements The Land of Greece The City-State, Athens Democracy The City at War Naval Warfare Religion and the Gods Temples The Olympic Games The Family Home Greek Women Education Symposium Theaters and Actors Craftsmen Illness and Death Learning and Inventions	Mathematics Pythagoras is said to have discovered the most famous theorem about the sides of a right-angled triangle.   Previous: Back Book: The Greeks Section: Spotlight on Ancient Greeks Chapter: Learning and Inventions