In the diagram above, PQ is the tangent to the circle RST at T.|ST| =…

Mathematics WAEC 1994

In the diagram above, PQ is the tangent to the circle RST at T.|ST| = ST and ∠RTQ = 68o. Find ∠PTS

  • 68o
  • 62o
  • 61o
  • 56o checkmark
  • 34o

The correct answer is: D

Explanation

∠TSR = 68o ∴ STR =
180-68/2
= 56o

PTS= 180-(68+56) = 56o
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