Sum of the angles in a triangle

Animation outlining the proof that the sum of the angles in a triangle is 180°. A line is drawn through the top vertex of the triangle which is parallel to the base and then the alternate angles are shown.

 

GreenMaths —

 
Materialtyp
Aktivität
Tags
angle 
Zielgruppe (Alter)
11 – 14
Sprache
English (United Kingdom)
 
 
Lizenz
CC-BY-SA, GeoGebra Terms of Use
Abgeleitete Materialien
Sum of the Angles in a Triangle
Geteilt von Mr. Coffie
 
 
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