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An angle is such that 3 times its complement equals its supplement.
Find the angle.

Class 7Complementary and Supplementary AnglesLines and Angles
  • A49
  • B90
  • C41
  • D45

Step-by-Step Solution

Let angle be . 3(90° − ) = 180° − , so 270° − ° − , giving 90° = °.
Answer: D) 45

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