Q. 25.0( 1 Vote )
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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