Folding a Triangle into a Tetrahedron

Author: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?

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Hyperbolic Paraboloid
Model sferyczny - dwunastościan-dwudziestościan
apec
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Olimpiada Județeană Brașov.
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Inequalities
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