MathematicsHow many pairs of adjacent angles, in all, can you name in figure?

How many pairs of adjacent angles, in all, can you name in figure?


  1. A
    8
  2. B
    7
  3. C
    12
  4. D
    10 

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    Solution:

    Given,
    The pairs of adjacent angles are:
    1. AOB and BOC 2. AOB and BOD 3. AOB and BOE 4. BOC and COD 5. BOC and COE 6. COD and AOC 7. COD and DOE 8. DOE and BOD 9. DOE and AOD 10. COE and AOC Hence there are 10 pairs of adjacent angles.
    Hence, option 4 is correct.
     
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