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In the diagram, PQ and RS are chords of a circle centre O which meet...

Mathematics
JAMB 1986
In the diagram, PQ and RS are chords of a circle centre O which meet at T outside the circle. If TP = 24cm. TQ = 8cm and TS = 12cm, find TR.
  • A. 16cm
  • B. 14cm
  • C. 12cm
  • D. 8cm
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Correct Answer: Option A
Explanation
PT x QT = TR x TS

24 x 8 = TR x 12

TR = \(\frac{24 \times 8}{12}\)

= = 16cm
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