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GeoGebra
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Sum of angles in a triangle is 180 degrees
Author:
Mathguru
Topic:
Angles
Drag the points A, B and C to change the size and shape of the triangle. Note what happens when you add the three angles.
GeoGebra
What is the rule for the sum of the angles of a triangle?
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Pythagoras or Pythagorean Theorem
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Polynomial Functions