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Triangle Angle-Sum Theorem
Author:
Thomas Derstein
,
sonom
GeoGebra
New Resources
Explore the invariant lines of matrix {{-2,5},{6,-9}}
Exploring Simple Loci 探究簡單軌跡
alg2_05_05_04_applet_exp_fxn_flvs
探究由平行線和截線所成的角
aperiodic monotile construction_step by step
Discover Resources
Linear systems on a Table
Chebyshev-like N=3 Polygon Wheel
Class10_Triangles_Experiment13
الوتر وبعده عن المركز
צור משולש דומה 11
Discover Topics
Pyramid
Trigonometry
Limits
Special Points
Conditional Probability