Plane Geometry
Demonstrations 941 - 960 of 1229
 Second Droz-Farny Circle First Droz-Farny Circle Dissecting an N-gram into Two Smaller N-grams Lindgren's Dissection of an Octagram into an Octagon Lindgren's Dissection of One Octagram {8/3} into Two Lindgren's Dissection of One Octagram into Two Lindgren's Dissection of One Decagram {10/3} into Two Pentagrams {5/2} Dissecting a Dodecagram into Two Hexagrams Dissecting a Dodecagram {12/2} into a Hexagram {6/2} Barrow's Inequality Lindgren's Dissection of a Pentagram into a Decagon Dissecting a Hexagram into Three Hexagrams Dissecting a Dodecagram into a Triangle Dissecting a Decagram {10/4} into Two Decagons The Taylor Circle The Circumcircles of Four Triangles A Congruent Angle inside the Incircle The Area of a Triangle inside the Incircle The Radii of Four Incircles A Relation between Altitudes of Four Triangles

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