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Angel of parallel
Author:
Wuttichai Phoodee
GeoGebra
New Resources
探究由平行線和截線所成的角
alg2_05_05_01_slider_practice_flvs
alg2_05_05_01_applet_exp_flvs
alg2_05_05_01_applet_exp_2_flvs
Parallelograms: Quick Investigation
Discover Resources
Cleveland Geometry
angle bisect
Isosceles Triangle: Kirsten
Treasure Map #1 B Bourgeous
Angles of Polygons Discovery
Discover Topics
Rotation
Unit Circle
Stochastic Process or Random Process
Quadrilaterals
Random Experiments