ProofModerate1 mark
10(ii)
In the given diagram O is the centre of the circle. Chord SR produced meets the tangent XTP at P.
Prove that PT² = PR × PS
Topic: Tangents / intersecting chords
Previous-year question practice database
Answer
Exam answer
PT² = PR × PS
Explanation
From similarity, PT/PS = PR/PT; cross-multiply.
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