1) Find the angle which is equal to its supplement. a) 90 b) 45 c) 180 2) In the given figure , AB is a straight line and ∠BOC = 65º , find the measure of ∠AOC. a) 245 b) 25 c) 105 d) 115 3) In the adjoining figure , what value of x will make AOB a straight line? a) 15 b) 80 c) 40 d) 205 4) Find the value of x , if ∠AOC = 65º , ∠BOD = 70º and ∠COD = Xº. a) 90º b) 135º c) 5º d) 45º 5) Find the value of x , ∠AOB = 56º , ∠BOC = 100º , ∠COD = Xº and ∠DOA = 74º. a) 130º b) 150º c) 180º 6) If a = 35 , find the values of b , c and d. a) b = 165 , c = 55 , d= 135 b) b = 145 , c = 35 , d = 145 c) b = 135 , c = 65 , d = 175 7) Which of the following are complementary angles? a) 51º , 39º b) 120º , 60º c) 172º , 8º d) 133º , 57º 8) Can 2 angles be supplementary , if both of them are acute? a) Yes b) No 9) Are angles 1 and 2 g(given in the figure) adjacent angles? a) Yes b) No 10) If the supplement of an angle is 65º , then find its complement. a) 35º b) 115º c) other  d) does not exist.

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