Online Geometry: Equilateral Triangles, Theorems and Problems  Page 4




Machu
Picchu and Sierpinski Tunel Effect. 

Tessellations Index. 

Interactive Mind Map of the Van Hiele Model of Geometric Thought
Level 0. (Basic Level) Visualization. 

Machu Picchu and the Flower of Life


The Flower of Life
Index:
Christ
Redeemer,
Taj Mahal,
Machu
Picchu,
Chichen Itza
Roman
Colosseum,
Petra, Jordan
Great
Wall of China


Proposed Problem 59: Right and Equilateral Triangles, Midpoints.


Proposed
Problem 50. Triangle with Equilateral triangles.
Seventeen conclusions.


Geometry of Circles "Sesame Street" by Philip Glass, 1979.


Proposed Problem 42.
Angles and triangles. 

Problem 40.
Triangle, Incenter, Excenter, Angles 80, 40, Distances.
Problem 40. Geometry
Help. Suggestions. 

Problem
4. Quadrilateral, equal sides and angles. 

Problem
1. Triangle, median and angles. 