Video examples (OK Geometry Easy)

Example 1. (OK Geometry Simple)

Given is a triangle ABC with angle ∠C = 60 °.
E and F are the intersections (other than A and B) of the semicircle on AB with the sides BC and CA.
D is the centre of the semicircle on AB.
Observe the configuration.

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• Import and observe a GeoGebra construction (video mp4).
• Inspect and observe construction files of various types.