i11-construct-a-perpendicular-line-from-a-point-on-a-line-proof

# Interactive video lesson plan for: (I.11) Construct a Perpendicular Line from a Point on a Line, Proof

#### Activity overview:

Learn this proposition with interactive step-by-step here:
http://pythagoreanmath.com/euclids-elements-book-1-proposition-11/

https://itunes.apple.com/us/app/euclids-elements-book-1/id717831746?ls=1&mt=8

visit my site:
http://www.pythagoreanmath.com

In proposition 11, we prove that we can always pick a point anywhere on a straight line to create a perpendicular line.

Playlist of Euclid's Elements in link below:

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