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FEUERBACH´s circle and EULER line

(one review on 2010-08-10)

In this learning environment the pupils explore the Feuerbach circle and the Euler line. With their background knowledge they design special lines in the triangle. In the end they should find out that the designed points lie on a circle and a line. Then the pupils look at exceptions of these two objects, and in the end they should find the special position of the midpoint of the Feuerbach circle on the Euler line. The pupils extend their knowledge about the relationship of the Feuerbach circle and the Euler line.

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