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Find x in the given figure
  • a)
    120°
  • b)
    135°
  • c)
    150°
  • d)
    110°
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Find x in the given figurea)120°b)135°c)150°d)110°Corr...

Constructing a line PQ || BC,
∠APQ = ∠ABC = 55°
∵ ∠AQL is an exterior angle for DAPQ
∴ ∠APQ + 25° = a
⇒ a = 25° + 55° = 80°
b = 70° (Alternate opposite ∠s)
∴ x = a + b = 70° + 80° = 150°
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