Inscribe a circle in a triangle.

In a triangle, the three angle bisectors meet in a common point (the incenter) which is the center of the circle inscribed in the triangle (tangent to the three sides of the triangle). Proof using the Construction Protocol.

 

Ryan Hirst

 
Type de ressources
Activité
Balises
exploration  incenter  plane 
Tranche d'âges
11 – 14
Langue
English (United States)
 
 
 
© 2026 International GeoGebra Institute