Question

please solve this as fast as U can​

Answer 1

Answer:

answer in attachment......

Answer 2

We know that a straight line has 180 ° .

So, 2x - 10 + 3x + 20 = 180

5x + 10 = 180

5x = 170

x = 34

So, < AOC = 2x- 10 = 2*34 - 10= 68-10= 58°

<BOC= 3x + 20= 3*34+20= 102+20= 122°.