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Sunita has an angle whose complement is one-third of its supplement.
Find the angle.

Class 7Complementary and Supplementary AnglesLines and Angles
  • A49
  • B41
  • C45
  • D90

Step-by-Step Solution

Let angle be . Complement = 90° − , supplement = 180° − . Given 90° − (180° − ), so 3(90° − ) = 180° − , 270° − ° − , 90° = °.
Answer: C) 45

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