Q2 of 32 Page 67

In Figure 5.60 POQ is straight line. The value of x is-

Now all the three angles add up to 180° as the line PQ is a straight line and the angles form a linear pair.


40° + 4x + 3x = 180°


7x = 180 – 40


7x = 140°


x = 20°


So the correct answer is A.

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