Question

find the value of x​

Answer 1

Answer:

34

Step-by-step explanation:

we know that

angle AOC + angle BOC = 180°

2x-10 + 3x+20 = 180

5x+10 = 180

X = 170/5= 34

Answer 2

Answer:

x=34°

2x-10+3x+20=180°. (linear pair)

5x+10=180

5x=180-10

5x=170

x=170÷5

x=34