Answers

2014-04-02T23:00:57+05:30
80 degrees. Complementary angles sum up to 90 degrees. So to find the complement of an angle subtract it from 90 degrees.
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2014-04-02T23:01:50+05:30
Pair of angles whose sum is 90 degree. Then both the angles are called as complimentary angles
then,
      x degree + 10 dgree = 90 degree
      x degree = 90 degree - 10 degree
      x = 80 degree
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