Check the picture below.
as you recall from the previous exercise, x = 74°, now, using the "inscribed angle theorem" as you saw already, the green intercepted arc is 160°, so y = 160° - 74°.
as far as ∡z, well, we can just use the "inscribed quadrilateral conjecture".
Answer:
100:2 or 50:1
Step-by-step explanation:
Hope this helps!
=]
All real numbers is the correct answer