Maths-
General
Easy

Question

The value of x from the following figure is

  1. 40°    
  2. 50°    
  3. 60°    
  4. 45°    

hintHint:

In this question, we have to find the value of x using the given figure. As we know that sum of all the angles formed in the straight line is 180degree. So, by using this we can find the value of y and then substituting it in the other equation formed to find the value of x.

The correct answer is: 40°



    As AC is a straight line
    So, 2y+30degree + y= 180degree           [sum of angles formed in a straight line 180degree]
    rightwards double arrow3y = 150degree
    rightwards double arrowy = 50degree
    Also, EB is a straight line
    So, 90degree + x + y =180degree                      [sum of angles formed in a straight line 180degree]
    rightwards double arrow90degree + x + 40degree = 180degree
    rightwards double arrowx = 40degree

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