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Folding a Triangle into a Tetrahedron
作者:
Steve Phelps
Drag the slider (bottom of left pane) to begin. Questions to consider: Where is the foot of the tetrahedron altitude located? What is the measure of the height of the tetrahedron?
GeoGebra
最新資源
Introduction
Spinning cube - Belt Trick
Ellipse as Envelope - Correspondence Method
Ellipse, Hyperbola and Circle as Envelopes
Bottema's Theorem
探索資源
Tangent Properties
Translation by Vector
Play overtones
Kaleidoscope (Dn Symmetry)
Section 6.8 Graphing Radical Functions
探索主題
橢圓
平移
正切線或正切
算術運算
對稱