Tangent Circles

This app shows several tangent circle problems. The type of task can be set in the control panel. In each case circles with certain properties are searched for:

The given points, lines and circles are displayed in black and can be modified with pressed mouse button. In red colour some solution circles are shown as examples. If you move the centre of such a tangent circle with the mouse, the geometric locus of the centre becomes visible (blue).

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