Geometry: Hexagons, Theorems
and Problems  Table of Content 3




Sangaku Problem
(An Old Japanese Theorem).
Inradii, Carnot's theorem. 

Proposed Problem 61: Triangle,
Trisection of Sides 

Proposed Problem 122. Marion
Walter's Theorem. Area of triangle and Hexagon, Trisection of Sides.


Proposed
Problem 125. Area of Triangle,
Star, Trisection of Sides.


Kurschak's Tile and Theorem.
Jozsef Kurschak (Hungary, 18641933) An elegant and a purely geometric
way of finding the area of a regular dodecagon.
A regular dodecagon inscribed in a unit circle has area 3. 

Hexagon
and Lissajous Art


Machu Picchu and the Flower of Life

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