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จงรัก โต๊ะนาค
GeoGebra
New Resources
Angles and Intersecting Lines: Quick Investigation
Ellipse as Envelope - Correspondence Method
van Aubel's Theorem
Cross Product in 2D and 3D
Introduction
Discover Resources
Area of a Parallelogram (Discovery)
Refleksi Terhadap Garis X dan Y
#12 Semicircles in rectangle
พื้นผิวในปริภูมิสามมิติ
First six triangle centres
Discover Topics
Hyperbola
Diagrams
Centroid or Barycenter
Conic Sections
Distributions