Find WSK in figure 2
a. 50
b. 80
c. 85
d. 90
Please help me!!

Answer:
85
Step-by-step explanation:
Angle Formed by Two Chords = 1/2 (sum of Intercepted Arcs)
< WSK = 1/2 ( 35+ 135)
= 1/2 ( 170)
=85