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直角三角尺
Author:
孟宝兴
GeoGebra
New Resources
Rotating icosahedron
Golden Dragon and Icosahedron
fita tórica
Simple gravity pendulum
Introduction to Similar Triangles
Discover Resources
Intersecting a line
Example 2
Circumcenter
Интеграл5
Corresponding angles on parallel lines
Discover Topics
Similar Triangles
Statistics
Optimization Problems
Kite
Similarity Transformation or Similarity