NumericalEasy1 mark
10(ii)
In the given diagram O is the centre of the circle. Chord SR produced meets the tangent XTP at P.

If PR = 4 cm and PS = 16 cm, find the length of the tangent PT.
Topic: Tangents / intersecting chords
Previous-year question practice database
Answer
Exam answer
PT = 8 cm
Explanation
PT²=4×16=64 ⇒PT=8 cm.