- 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
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Complementary and Supplementary Angles practice questions