Q. 55.0( 1 Vote )

In Figure 5.63 tw

Answer :

Let the intersection point be O.

If we consider line AB, AB is a straight line. x + y forms a linear pair and in the similar manner AOD + 62° = 180°


Sum of all the angles about O is 360°.


x + y + AOD + 62° = 360°


180° + AOD + 62° = 360°


AOD + 242° = 360°


AOD = 360 – 242


AOD = 118°


Now y = 62° [vertically opposite angles]


Also x = AOD = 118° [vertically opposite angles]


So x - y = 118 – 62


= 56°


So the correct answer is A.

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