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共角定理 (English name?)
Author:
Alex CHIK
GeoGebra
New Resources
Slope of a Straight Line: Run and Rise
Linear Cross Section Exercise
Angles and Intersecting Lines: Quick Investigation
Introduction
Limaçon / Cardioid as a Locus - A Classical Construction
Discover Resources
Pumping Power Calculation
Transformations
De vergelijking van een rechte door een punt
LZ 8.2.A3.3 Getting Perspective (Drawing)
Funções periódicas (seno e cosseno)
Discover Topics
Similarity Transformation or Similarity
Tangent Function
Intersection
Subtraction
Vectors