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Plane Geometry
Demonstrations 1 - 20 of 960
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Generalizing the Crease Length Problem New this week | Theobald's Dissection of a Heptagon to a Triangle Updated this month | Simple 2-Column Polyominoes on the Hexagonal Lattice Updated this month | Three Hinged Dissections of Squares Updated this month | The Excentral Triangle and a Related Hexagon Updated this month |
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Four Concyclic Points Updated this month | Cross's Theorem Updated this month | Exploring the Crease Length Problem Updated this month | Grid Packing at an Angle Updated this month | Numerical Iso-Optic Curve of the Ellipse Updated this month |
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Iso-Optic Curve of a Regular Polygon Updated this month | Albrecht Dürer's Nonagon of 1525 Updated this month | Albrecht Dürer's Heptagon of 1525 Updated this month | Iso-Optic Curve of the Ellipse Updated this month | A Concurrency from Midpoints of Arcs of the Circumcircle Updated this month |
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A Concurrency of Lines through Points of Tangency with Excircles Updated this month | Serlio's Ovals Updated this month | Plato's Shadow Problem Updated this month | ||
