Q12 of 93 Page 6

In figure, m||n and the ∠1 = 62°. Find ∠6 and ∠7.

         ∠1 = ∠3 …. (Vertically opposite angles)
Since ∠1 = 62°
     ... ∠3 = 62°
Now ∠3 = ∠7 …. (Corresponding angles)
    ... ∠7 = 62°
       Now∠6 + ∠7 = 180°
           .. ആ + 62° = 180°
  ...  ആ  = 180° - 62° = 118°
Thus ∠6 = 118° and ∠7 = 62°

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