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Pitchford Triangle Sum Theorem

The applet proves the triangle sum theorem

What do you notice about the two blue angles?

Vink alles aan wat van toepassing is
  • A
  • B
Controleer mijn antwoord (3)

What do you notice about the two orange angles?

Vink alles aan wat van toepassing is
  • A
  • B
Controleer mijn antwoord (3)

What is the sum of the three angles INSIDE the triangle?

Move the angles around. Does the answer above stay the same?