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Internal Angles of Triangle
Author:
jochiltreeCQ
Topic:
Angles
Diagram explaining why the sum of the internal angles of a triangle is 180 degrees.
GeoGebra
New Resources
Reflection Across 2 Parallel Lines
Reflection = 180° Rotation about a Line
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
bewijs stelling van Pythagoras
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