# Inversion

In the plane, the inverse of a point with respect to a circle with center and radius is a point such that and are on the same ray with an endpoint , and .
Explore the inverse of a point, line, circle and a polygon:

- Click on a button to show/hide an object.
- Move the object by pointing to it and dragging it.
- Try different position of the object with respect to the circle (outside, inside, intersecting, tangent etc.)

In the plane, the inverse of a point with respect to a circle with center and radius is a point such that and are on the same ray with an endpoint , and .
Explore the inverse of a point, line, circle and a polygon:

- Click on a button to show/hide an object.
- Move the object by pointing to it and dragging it.
- Try different position of the object with respect to the circle (outside, inside, intersecting, tangent etc.)

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