Answer:
Option (B)
Step-by-step explanation:
Since all the four rays A, E, D and F are diverging from a point C in the different directions.
Therefore, sum of all the angles formed at a point C will be equal to 360°
m∠1 + m∠4 + m∠6 + m∠9 = 360°
25° + 34° + 146° + m∠9 = 360°
m∠9 = 360° - 205°
= 155°
Therefore, measure of angle 9 is 155°.
Option (B) will be the correct option.
