Triangles are superior. What shape did the Egyptians build the pyramids into? http://www.nbc.com/the-office/video/power-of-the-pyramid/n21971 http://www.nbc.co

Triangles are superior. What shape did the Egyptians build the pyramids into? http://www.nbc.com/the-office/video/power-of-the-pyramid/n21971 http://www.nbc.com/the-office/video/power-of-the-pyramid/n21...