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พื้นผิวในปริภูมิสามมิติ
Author:
ชูเกียรติ โสนทอง
GeoGebra
New Resources
Napoleon's Theorem
Introduction
Stairs (Optical Illusion)
Cross Product in 2D and 3D
Rotating Points (Optical Illusion)
Discover Resources
Pappus's theorem
Special Triangles Footbridge
Infinite Limits Example
Scale Factor Area
Dilation Demonstration
Discover Topics
Parallelogram
Right Triangles
Line Segment
Intersection
Equilateral Triangles