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Demonstrations 1 - 20 of 614
A Visual Proof of Viviani's TheoremSubstitution TilingsA Lemma in Geometry Concerning Points Generated by the Incircle of a TriangleIso-n TrianglesDissecting One Isonona Triangle into Two
A Visual Proof of Viviani's Theorem
Substitution Tilings
A Lemma in Geometry Concerning Points Generated by the Incircle of a Triangle
Iso-n Triangles
Dissecting One Isonona Triangle into Two
Isonona Triangles for 3D PrintingIsonona TrianglesIsopenta TrianglesIsohepta TrianglesRecursive Pythagorean Tree
Isonona Triangles for 3D Printing
Isonona Triangles
Isopenta Triangles
Isohepta Triangles
Recursive Pythagorean Tree
First Fermat Point and Isogonic Center of a TriangleConcurrence of the Median, a Chord and a Diameter of the IncircleA Concurrence Based on Ellipses through the IncenterAreas of Squares from the Pedals of a TriangleArea of an Inscribed Triangle in Terms of the Product of Its Sides
First Fermat Point and Isogonic Center of a Triangle
Concurrence of the Median, a Chord and a Diameter of the Incircle
A Concurrence Based on Ellipses through the Incenter
Areas of Squares from the Pedals of a Triangle
Area of an Inscribed Triangle in Terms of the Product of Its Sides
Visual Derivation of a Trigonometric IdentityA Circle Defined from an Equilateral Triangle via PythagorasMorley's TheoremTriangle CentroidTetrahedral and Octahedral Similarohedrons
Visual Derivation of a Trigonometric Identity
A Circle Defined from an Equilateral Triangle via Pythagoras
Morley's Theorem
Triangle Centroid
Tetrahedral and Octahedral Similarohedrons

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