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A Triangle's Angles
Author:
Steve Kifowit
The sum of the measures of the interior angles of any triangle is 180°.
GeoGebra
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Tetrahedron String Art
Making New Year's resolutions for 2026
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
Neuberg's Theorem
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incenter Daniel Munoz
parellel lines
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Surface
Complex Numbers
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