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The Equifacial Tetrahedron
Author:
Steve Phelps
An equifacial tetrahedron has four faces of equal area.
GeoGebra
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Bottema's Theorem
Rotating Points (Optical Illusion)
"Compressed" Astroid as Envelope
Piano. Keyboard.
Construct a Square
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Circumcenter 3
Addition on the number line
Lineal
Factorization: Difference of Squares
Vector Addition
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Confidence Interval
Normal Distribution
Mathematics
Variance
Rational Numbers