GeoGebra
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  • Triangles

Triangles

Author:
Gerrit Stols

  • Sum of the interior angles

  • Exterior angle of a triangle

  • Equilateral triangles

  • Isosceles triangles

  • Right-angled triangle

  • Triangle area (different basis)

  • Pythagoras

  • Congruent: triangles

  • Congruent: triangles

  • Triangle sides: midpoints

  • Points of intersection (Euler line)

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Sum of the interior angles

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