Maths-
General
Easy

Question

From the given figure, the value of ‘a’ is

  1. 40°    
  2. 110°    
  3. 130°    
  4. 100°    

Hint:

In this question, we have to find the value of a. Given AB and CD are parallel and a transversal. For this we will use some parallel lines theorem.

The correct answer is: 130°



    As the AB is parallel to CD and there is transversal
    So, the vertical opposite angle of 50 degree as those are always equal.
    Now, we have the interior angles, and we know that their sum is 180 degree

    S o comma 50 degree plus a equals 180 degree
rightwards double arrow a equals 180 degree minus 50 degree
rightwards double arrow a equals 130 degree

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