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In diagram, PQ || ST and lt; PQR = 120o, lt; RST = 130o, find the angle marked x



In diagram, PQ || ST and < PQR = 120o, < RST = 130o, find the angle marked x
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  • A 50
  • B 65
  • C 70
  • D 80
Correct Answer: Option C
Explanation:

x + 60o + 50o = 180o
x = 110o = 180o
x = 180o - 110o
= 70o

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