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GeoGebra Lesson

Scalene Triangle Rotation Puzzle

Autor:Aja Wright, David Wees

Thema:Kongruenz und Deckungsgleich, Rotation oder Drehung, Transformationen oder Abbildungen

triangle' is triangle rotated around point O. You can move point O if needed.

What angles of rotation will have triangle' land exactly on top of triangle?

Why does that happen? Why are those the only angles that work on the scalene triangle?

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