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๐ Geometry
Euclid's Geometry
Euclid's Elements (300 BC) โ 13 books, 465 propositions; the most influential maths textbook ever
Greece ๐ 300 BC Geometry
Key Facts
- 1
5 postulates: (5th) "through a point not on a line, exactly one parallel line" โ basis of Euclidean geometry
- 2
Key theorems: Pythagoras, properties of triangles, circles, area and volume of shapes
- 3
Non-Euclidean geometry (19th century): on a sphere, parallel lines meet โ this is the geometry of the real world
๐ข Did you know? Euclid's Elements was used as a geometry textbook for 2,000 years โ it was still being taught in some British schools until the 1960s
Quick Reference
Category
Geometry
Country
๐ Greece
Year / Era
300 BC
About
Euclid's Elements (300 BC) โ 13 books, 465 propositions