Higher January 2022 Paper 2 Q19

EdexcelHigherCurrent spec3 marksCircle Theorems

19

Circle with diameter PQ and chord RS crossing at T; ST = 4 cm, TQ = 3 cm and TR = 12 cm

Diagram NOT accurately drawn

\(PTQ\) is a diameter of a circle.
\(RTS\) is a chord of the circle.

\(TQ = 3\) cm  \(ST = 4\) cm  \(TR = 12\) cm

Calculate the radius of the circle.

(3)

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