Proof: Sum of angles in a triangle is 180 degrees

Onderwerp:Hoeken

Line ED is parallel to line AB. Triangle ABC is outlined in blue. Observe how the shape and angles of this triangle ABC change as we move the points A, B and C.

Nieuw didactisch materiaal

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Ontdek materiaal

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Ontdek onderwerpen

Vergelijkingen
Verhoudingen
Normaalverdeling
Lichamen
Congruentie