Answer:
BE is the semicircle
a. 12(Nm)
b. anticlockwise
Step-by-step explanation:
Moment = force applied * distance
50 degrees.
The angle where 2x + 50 is congruent to the 150 degree angle because they are vertical angles.
2x + 50 = 150
2x = 100
x = 50.
Hope this helps!
it is letter c i think