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Opp & Ext angles of cyclic quad
Author:
Kwan Yuk Yin
Topic:
Angles
,
Circle
,
Circumcircle or Circumscribed Circle
GeoGebra
New Resources
Droste effect
Exploring Simple Loci 探究簡單軌跡
Droste effect draft
Rings of circles
Roman Numerals Bingo
Discover Resources
Proving that a triangle has 180 degrees
line_from_points
Copying a Regular triangle
deriv
AM 2019 P1 Q 11
Discover Topics
Similarity Transformation or Similarity
Linear Equations
Vectors 2D (Two-Dimensional)
Triangles
Normal Distribution