Elements 1, Proposition 23 (triangle from three sides)
- Author:
- Ryan Hirst
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Notes:
For a, b, c to form a triangle, the sum of any two sides must be greater than the remaining side.
To place a given length on line DE: (Bk. 1, Prop. 3) : http://www.geogebratube.org/material/show/id/27045
Elements, Book 1: http://www.geogebratube.org/material/show/id/73650