Question

in the given figure AOBIs a straight line and ray OC stands on it.find the value of x.Also find angle AOC and angle BOC​

Answer 1

Answer:

34°

Step-by-step explanation:

THE FOLLOWING FORMS A LINEAR PAIR OF ANGLES.

AND THE SUM OF LINEAR PAIR IS 180°.

SO (2x-10)°+(3x+20)°=180

2x-10+3x+20=180

5x+10=180

5x=180-10

5x=170

x=170÷5

x=34°

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