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Proof of the angle sum of a triangle.
Author:
Lesley Skipper
Topic:
Angles
A proof that the angles in a triangle add to 180 degrees.
GeoGebra
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bewijs stelling van Pythagoras
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Intersecting Lines with a Transversal
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Lituus
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Parallelogram
Pythagoras or Pythagorean Theorem
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Statistical Characteristics
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