Circles: Table of Content (Page 4 of 5)

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30.

Monge & d'Alembert Three Circles Theorem I with Dynamic Geometry

29.

Monge & d'Alembert Three Circles Theorem II with Dynamic Geometry

28.

Miquel's Pentagram with Dynamic Geometry

27.

Miquel's Pentagram Theorem. Proof

26.

Johnson's Theorem

25.

Simson Line

24.

Angle between two Simson Lines

23.

Sangaku Problem

22.

Newton's Theorem

21.

Carnot Theorem

20.

Eyeball Theorem

19.

Proposed problem 20
Right Triangle, incircles and inradii.

18.

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

17.

Poncelet Theorem

16.

Sangaku Problem