In this video, I have explained in details how to prove that for two chords intersecting inside the circle: PA x PB = PC x PD if P is the point of intersection of the 2 chords: AB and CD.
The proof has been done using the properties of similar triangles.
Негізгі бет Circle Theorem-XVIII : Intersecting Chords | JEE | CBSE | ICSE
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