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A transversal cuts two parallel lines l and m. The angles and are co-interior angles (same side of the transversal, between the lines).
Given , find the angle .

Class 7Transversal and Parallel LinesLines and Angles
  • A115
  • B105
  • C210
  • D95

Step-by-Step Solution

Co-interior angle = deg, and indeed 75 + 105 = 180 confirms supplementarity.
Answer: B) 105

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