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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