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PT is a tangent to the circle TYZX. YT = YX and < PTX =...

Mathematics
JAMB 1995

PT is a tangent to the circle TYZX. YT = YX and < PTX = 50o. Calculate < TZY

  • A. 50o
  • B. 65o
  • C. 85o
  • D. 130o
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Correct Answer: Option B
Explanation

XTY = 50o = TXY = \(\frac{130^o}{2}\)

= 65o


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