# Inversion Tool

The sole purpose of the applet below is to allow experimentation with the inversion in circle. Several properties could be easily observed: a circle inverts into a circle, unless it passes through the center of inversion, in which case it inverts into a straight line. Circles perpendicular to the circle of inversion are invariant under the inversion, etc. (Circles are draggable as are their centers and the marked points on the circumference.)

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