Chapter 3

Why is the right angle triangle the most important mathematical theorem to man?

Chapter Three is divided into five sections:

1. What is a Gnomon?
2. The Zhou bi suan jing (Chou Pei Suan Ching)
   
3. Symbolic Significance of the Carpenter's Square with the Compass
   
4. A RIGHT ANGLE TRIANGLE IN EVERY MAGIC SQUARE IN THE LUO SHU FORMAT
   A NEW CONCEPT FOR THE LUO SHU MAGIC SQUARE
5. The Triabolo

MEASURING THE SHADOW 

Summer solstice = the shortest shadow

Winter solstice =  the longest shadow

Footnotes for this section are avaliable in the e-book and hardcopy only.