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?

New Resources

Vectors: Scalar Multiplication
Erdős's problem #503, n=3
WC 2018
Conditions for Parallel Lines
Weighing Scales (g): Practice

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Lemniscate of Bernoulli
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Logarithm
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Calculus
Indefinite Integral
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