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Acute Problem
Author:
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
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MC #2
רישום חופשי
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Forming Similar Triangles
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