Elements I: Proposition 15

Euclid, [i]The Elements[/i], Book 1 Proposition XV: If two straight lines intersect in a point, vertical (opposite) angles are equal.

 

Ryan Hirst

 
Type de ressources
Activité
Balises
classical  elements  euclid  geometry  greek  proof 
Tranche d'âges
19+
Langue
English (United States)
 
 
 
© 2025 International GeoGebra Institute