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Plane Geometry: Circumcircle, Circumradius of a triangle, Theorems and Problems
5
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Circumcircle of a triangle -
Table of Content 5
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Angle between two
Simson Lines. Proof with animation.
Circumcircle |
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Simson Line. A proof
of Simson line with animation.
Circumcircle. |
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Triangle, Three Medians, Circumcircles, Six Concyclic Circumcenters.
Dynamic Geometry.
Step-by-Step construction, Manipulation, and animation.
Prove proposition. |
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Proposed Problem 209. Circumcenter of the contact triangle.
Triangle, Circumcircle, Incircles, Inradius. |
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Journey
to the Center of a Triangle (1976). Incenter, Circumcircle, Circumcenter, Centroid, Orthocenter. |
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Feuerbach Points and Nine-Point Circle with interactive
animation, manipulation, and step-by-step construction.
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Feuerbach
Point Facts.
Distances between Feuerbach point and the incenter,
nine-point center, centroid, Spieker point, and
Circumcenter, Circumcircle. |
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Steiner Point
Circumcircle, Circumcenter, Lemoine Point. |
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Sangaku Problem (An Old Japanese Theorem).
Inradii, Carnot's theorem.
Circumcircle. |
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Carnot Theorem.
Circumcircle, Circumcenter, circumradius, inradius |
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