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Triangle Angle Sum Proof
Auteur :
Ernest Dapremont
,
Shaun Errichiello
How can we use our understanding of angles to prove that every triangle must have 180 degrees?
GeoGebra
How can we use what we know about angles 1 through 5 to prove that a triangle must have 180 degrees?
Nouvelles ressources
Slopes of Perpendicular Lines
Exploring Number of Squares on the Diagonal of a Rectangle
Parts of a Circle
Solving 2x2 and 3x3 Systems Using Cramer's Rule
Identifying Sine, Cosine, Tangent Ratios in Right Triangles (Quick)
Découvrir des ressources
Model the St Louis Arch
Five Circles Theorem
triangle inequality
Simple Square
transformation 5
Découvrir des Thèmes
Cercle Circonscrit
Continuité
Combinatoires
Pythagore ou Théorème de Pythagore
Fonctions Quadratiques