Question

In the figure, A – O – B and angle BOC = 3x°, angle AOC = (3x + 60)°, then what is the measure of angle BOC ​

Answer 1

Answer:

the sum of angle a and b is 180 degree because they are linear pair.

therefore 3 x + 60° + 3 x =180 degree

9x+60=180

9x=180-60

9x=120

x= 120/9°

Answer 2

Answer:

20°

Step-by-step explanation:

angle (AOC) + angle (BOC) =180°------(Linear Pair)

3x + 60 + 3x = 180

6x + 60 = 180

6x = 180 - 60

6x = 120

x = 120/6

x = 20°

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