Math, asked by raj82307, 1 month ago

please tell me answer with explaination​

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Answered by gorachandhansda405
3

Step-by-step explanation:

  • Here, l || m
  • So, 2x + 7x = 180° ( sum of Co-interior angle = 180°)
  • 9x = 180°
  • x = 180/9
  • x = 20
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