Question

ehat value of x will make aob a straight line​

Answer 1

Answer:

(c) 50°

Step-by-step explanation:

For AOB to be a straight line, the angle AOB should be 180°

Therefore, 2x + 10° + 2x - 30° = 180°

=> 4x - 20° = 180°

=> 4x = 200°

=> x = 50°