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Triangle Sum Theorem and Exterior Angle Theorem
Author:
Jedi Algebron
The applet proves the triangle sum theorem and exterior angle theorem.
GeoGebra
New Resources
Making New Year's resolutions for 2026
Reflection = 180° Rotation about a Line
Locus Related to Descartes' Folium
အခြေခံ data အခေါ်အဝေါ်များ
Reflection across a line
Discover Resources
The binomial distribution
Systems of Linear Inequalities
Trig graph transformations
Varignon's Midpoint theorem
Discover Topics
Continuity
Geometric Mean
Means
Statistical Characteristics
Cuboid