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In the diagram PQR is a straight line and PS is a tangent to the circle < QRS with ...



In the diagram PQR is a straight line and PS is a tangent to the circle < QRS with |PS| = |SR| and < SPR = 40°. Find PSQ
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  • A 20o
  • B 40o
  • C 10o
  • D 30o
Correct Answer: Option B
Explanation:
PS = SR
\(\bigtriangleup\)PSR is an isosceles
< P = < SPQ = 40°
< R = < SRQ
< PSQ = < SRQ (alternate segment)
< PSQ = 40°

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