Internal angle sum of triangles

Author:mrsK

- Drag the vertices A, B, C to create different types of triangles. - Use the sliders to create copies of the same triangle and prove that the internal angles always add up to 180 degrees.

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רישום חופשי
Angle Addition: Warm Up Exercises
bewijs stelling van Pythagoras
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Damped Trochoidal Curve

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Centroid
Tessellation #1 Part 2
Fermat point
Modul 12C Logaritma_Rahmawati_SMA Negeri 03 Bombana
Does Composition with Dilation and Rotation matter?

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Limits
Subtraction
Right Triangles
Planes
Pythagoras or Pythagorean Theorem