1.

In the given figure, write all the pairs of supplementary angles.

Answer»

Supplementary angles are those angles whose sum is 180°. Hence, following are the pairs of supplementary angles:

  1.  ∠1, ∠8
  2.  ∠2, ∠7
  3. ∠3, ∠4
  4.  ∠4, ∠5
  5. ∠5, ∠6
  6. ∠6, ∠3


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