Complementary and supplementary angles

  

 Rainbow 🌈 Mental Exercise, daily activity 

1.Which of the following pairs of angles are complementary ?

 A) 90⁰ and 90⁰
 B)  10⁰ and 70⁰
 C)  120⁰ and 60⁰
 D) 60⁰ and 30⁰

ANSWER= (C) 60⁰ and 30⁰

 

2. What is the measure of an angle that is supplementary to a 110-degree angle?

 A) 60⁰
 B) 100⁰
 C)  80⁰
 D) 70⁰

ANSWER= (D) 70⁰

 

3.  Which of the following is NOT true about complementary angles?

 A) sum upto 90⁰
 B) both are 180⁰
 C) may be non adjacent 
 D) both are adjacent 

ANSWER= (D)  both are adjacent 

 

4. Two angles are complementary. One angle measures x degrees. What is the measure of the other angle?

 A) 90 - x
 B) x
 C) 180-x
 D) 180

ANSWER= (A) 90 - x

 

5. If two angles are supplementary and one angle is 75 degrees, what is the measure of the other angle?

 A) 21⁰
 B) 100⁰
 C) 107⁰
 D) 105⁰

ANSWER= (D) 105⁰

 

6. Angles are said to be complementary,when their sum is

 A) 106⁰
 B) 108⁰
 C) 180⁰
 D) 90⁰

ANSWER= (D) 90⁰

 

7. Angles are said to be supplementary,if their  sum is

 A) 90⁰
 B) 105⁰
 C) 100⁰
 D) 180⁰

ANSWER= (D) 180⁰