This question is incomplete. The complete question, answer & explanation for this question is given in the attachment below.
Answer:
50
Step-by-step explanation:
Use this equation

where b is arc VY, A is arc XV.
Substitute the equation in




so our arc measure is 50
141.2/175.8=.803185
1-.803185=.1968=20% markdown
Answer:
I think 60
Step-by-step explanation:
Answer:
you need to subtract
Step-by-step explanation:
just find the common denominator and i dont really know the rest i think you tube will help