I think the answer is B). because if the angle is changed if it turned on a fixed point. its changed if it translated or if the rays are changed, neither is it changed if it translated to the right either.
Answer: B =
+ 
Step-by-step explanation:
you need to get B alone so that would be subtracting everything around it
ab = -c + d
then you need to get that a away from it by dividing both sides by A
B =
+ 
Answer:
there isnt enough information to answer the question.
Step-by-step explanation: