Tool: Intersecting Secants Theorem  Math Open Reference 


Go to:  http://www.mathopenref.com/secantsintersecting.html (opens a new window)  
Description:  An interactive applet and associated web page that demonstrate the "Intersecting Secants Theorem". The applet shows a circle and two secant lines intersecting at a point outside the circle. The secant points and the external point are draggable. As you drag them the secant lines are redrawn and a realtime computation on the applet shows that the product of their segments are always the same. By dragging two secant points together, the TangentSecant Theorem is also demonstrated. Applet can be enlarged to full screen size for use with a classroom projector. After use in the classroom, student can access it again from any web browser at home or in the library with no login required. This resource is a component of the Math Open Reference Interactive Geometry textbook project at http://www.mathopenref.com. 

Technology Type:  Java Applet  
Author:  John Page  
Language:  English  
Cost:  Does not require payment for use  
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Courses:  Geometry  Secants  
