i41-parallelogram-is-double-of-a-triangle-if-base-are-common-and-in-same-parallels-proof

# Interactive video lesson plan for: (I.41) Parallelogram is Double of a triangle if base are common and in same parallels, Proof

#### Activity overview:

Learn this proposition with interactive step-by-step here:
http://pythagoreanmath.com/euclids-elements-book-1-proposition-41/

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

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

In proposition 41, of Book 1 of Euclid's Elements, we prove that if a parallelogram and a triangle have a base in common and are the same parallel lines then the parallelogram is equal to double of the triangle.

Tagged under: Euclid,greek,proof,mathematics,elements,elementos,euclid',geometry,Abraham,Lincoln,euclides,euklid,triangle,circle,points,line,plane,straightedge,compass,Math,axioms,postulates,definitions,proposition,animation,axiom,equilateral,Euclidean,-euclidean,knowledge,philosophy,congruent,parallel,parallelogram,book 1

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