Answer:
Explanation:
(A) subtract larger arc and smaller arc, divide by 2 and that gives angle
<VYX =(1/2)(VW-VX)
<VYX = (1/2)(145-51)
<VYX =(1/2)(94
<VYX = 47
(b) The 2 arcs added then divided by 2 = angle in middle
<AEB=(1/2)(CD+AB)
69 = (1/2)(CD+87)
138=CD+87
CD=51