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Intersecting Chords Theorem

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More Lessons for High School Regents Exam
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High School Math based on the topics required for the Regents Exam conducted by NYSED.


Intersecting Chords Theorem

If two chords intersect in a circle, the product of the lengths of the segments of one chord equal the product of the segments of the other.

For example, in the following diagram AP × PD = BP × PC

intersecting chords


Segments in circles
Proof of a theorem on product of segments of chords in circles.



Intersecting chords of a circle


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