Question

2. In the given figure, AOB is a straight line and the ray OC
stands on it. If AOC = (2x – 10º) and BOC = (3x + 20°).
find the value of x. Also, find AOC and BOC.
(2x - 10°
​

Answer 1

angle of AOC +angle of BOC=180. (straight line)

2x-10+3x+20=180

5x+10=180

5x=170

x=170/5

x=34