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พื้นผิวในปริภูมิสามมิติ
Author:
ชริกา อุรารื่น
GeoGebra
New Resources
van Aubel's Theorem
Simplifying Radicals: Geometric Thin Slice
"Compressed" Astroid as Envelope
Ellipse, Hyperbola and Circle as Envelopes
Play C3 E3 G3 C4_C4
Discover Resources
Applet
Investigation #1
Untitled
Triangle Sum
Moving the coordinate axis
Discover Topics
Secant Line or Secant
Geometric Transformations
Cosine
Fractions
Symmetry