Dissecting a Cube for a Regular Tetrahedron

Topic:Cube

When a cube is sliced at four corners using a plane containing three face diagonals, a regular tetrahedron is left in the middle after removing the four corners.

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Graphs of Rational Expressions
Slope Between 2 Points (Phase 2)
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Which Quadrilateral is Which?
Vertical and Oblique Asymptote

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Tesselations
triangelua
cortados
Balea Geometry 5
Evaluating Functions Algebraically

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Linear Functions
Cuboid
Special Points
Linear Regression
Poisson Distribution