The Sum of the Angles of a Triangle

The sum of the angles of a triangle equals a straight angle, i.e., a sum of 180 degrees. This applet is a demonstration of this geometrical theorem.

Jesse Parete — 07 giugno 2012 - 16:15

Licenza: CC-BY-SA, GeoGebra Terms of Use
Risorse derivate: De Som van de hoeken van een Driehoek
Condiviso da R.Verveer; Visualizza altri…; The Sum of the Angles of a Triangle
Condiviso da Beth Sanborn