Question

Q12. In the given figure, find the value of x.
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Answer 1

=> 4x + 2x = 180 [Angles on the straight line]

=> 6x = 180

=> x = 180/6

=> x = 30

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Answer 2

Answer:

x = 30°

Step-by-step explanation:

We know that a straight line = 180°

We also know thT the sum of 2 adjacent angles on a straight line = 180°

∴ AOC + BOC = 180°

      4x + 2x     = 180°

           6x        = 180°

∴  x = 30°