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This page provides a list of educational videos related to Euclid. You can also use this page to find sample questions, apps, worksheets, lessons , infographics and presentations related to Euclid.
Circumference of a circle, 2πr, How to get the Formula
By mathematicsonline
A quick explanation on why the circumference of a circle is 2πr. Buy my app! https://itunes.apple.com/us/app/euclids-elements-book-1/id717831746?ls=1&mt=8
Ancient Geometry - A Revelation
By ScienceOnline
How do we know that the angle measures of a triangle add to 180 degrees? The standard proof is based off of Euclid's postulate, which has never been proven and loses validity when mapped on non-Euclidian curved space.