Acute Problem

Auteur:Lamberto Lamberti

PROPOSITION: There do not exist four distinct points A,B,C,D on the plane such that the interior angles of the triangles ABC, ABD, ACD, and BCD are all acute. http://www.mathpages.com/home/kmath311/kmath311.htm

Nieuw didactisch materiaal

bewijs stelling van Pythagoras
רישום חופשי
Untitled
Reflection across a line
အခြေခံ data အခေါ်အဝေါ်များ

Ontdek materiaal

Puzzle base
Idek
Medians of a Triangle
creating a 45 degree angle
ASME STEM 2017

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