Construction of Tangents to a circle

This applet shows how to construct tangents to a circle from a point outside the circle.

This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com

1. What happens when the point A is inside the circle ?
2. What happens when the point A coincides with point M ?

Created with GeoGebra – Shared by sanjaybhil
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