Sum of Interior Angles of a Triangle

The following construction steps will help the students to understand why "The Sum of Interior Angles of a Triangle" is equal to 180 degrees.

rcolorado — 2 maart 2014 - 12:57

Licentie: CC-BY-SA, GeoGebra Terms of Use
Afgeleid materiaal: Sum of Interior Angles of a Triangle
Gedeeld door Lndsay Flanagan; Toon meer…; Copy of Sum of Interior Angles of a Triangle
Gedeeld door Beth Cavanagh; Sum of Interior Angles of a Triangle
Gedeeld door Brian Molinero