Elements I: Proposition 16

Euclid, [i]The Elements[/i], Book I Proposition 16: An exterior angle of a triangle is greater than either of the interior and opposite angle. To Do: In classical geometry, there are no obtuse angles in a triangle.

 

Ryan Hirst

 
Material Type
Activity
Tags
classical  greek  geometry  euclid  elements  proof 
Target Group (Age)
19+
Language
English (United States)
 
 
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4.2
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