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

 
Tipo de Material
Atividade
Palavras-chaves
angle 
Grupo alvo (idade)
11 – 14
Idioma
English (United Kingdom)
 
 
Licença
CC-BY-SA, GeoGebra Terms of Use
Materiais Derivados
Sum of the Angles in a Triangle
Compartilhado por Mr. Coffie
 
 
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