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The angles of a triangle always sum to 180 degrees.
Author:
Andrea Siwik
GeoGebra
New Resources
Proving Triangles Similar: Multistep Transformations
Folding door
רישום חופשי
Thales' Intercept Theorem
Position Vector and Derivative Vector
Discover Resources
Sin, Cos (and Tan) from Triangle in Unit Circle v4
{"Antiprism", 5}
Graph the Line(1)
Patrulater-MN pe DC-conc
sas.ggb
探究三角形的面積
Discover Topics
Geometric Distribution
Root
Parabola
Trigonometric Functions
Expected Value