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Online Geometry: Circles, Theorems and Problems

Circles, Theorems and Problems: Table of Content (Page 10 of 10)

Circles

Circle definition and illustration

Circle definition.

The Bevan Point

Sangaku

Sangaku Problem

Newton's Theorem

Carnot Theorem

Eyeball Theorem

Proposed problem 20
Right Triangle, incircles and inradii.

Proposed problem 21  Acute triangle, orthocenter, diameter, tangents. 

Poncelet Theorem

Sangaku Problem

An Isoperimetric theorem

The Descartes Circle Theorem

Sangaku Problem 3

Steiner Theorem

Proposed problem
Right Triangle and Excenter

Napoleon's Theorem

Napoleon's Theorem

Clifford's Circle Chain Theorems

Kurschak's Tile and Theorem

Animated Angle to Geometry Study

Proposed Problem 28
Right Triangle, altitude, incircles and inradius.

Proposed Problem 27
Right Triangle, incircles and inradius.

Proposed Problem 26
Right Triangle, altitude, incircles and inradius.

Steiner Point
 

Mittenpunkt Point
 

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