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On the figure, if AOB is a straight line, then x is 

 

Option: 1

45°


Option: 2

55°


Option: 3

65°


Option: 4

75°


Answers (1)

best_answer

 

Since AOB is a straight line, the sum of all the angles on the same side of AOB at a point O on it, is 180^0

\\115^0+x^0=180^0\\x^0=180^0-115^0=65^0

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mansi

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