Using KGeo

Chapter 5. Using KGeo

This chapter shows you how you can use KGeo for your lessons.

Construct the circle of Thales

Please, do the following:

  • Construct three points at (-2;0), (0;0) and (2;0)

  • Construct a circle around the point in the middle with the radius 2.

  • Construct a point on this circle.

  • Draw a triangle through this point an the one on the left and on the right.

  • Measure the top angle.

  • If you move the point on the upper half of the circle, the angle will remain 90 deg.

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