In the figure given above, p and q are parallel lines. What are the values of the angles x, y and z?
(a) x = 80o, y = 40o, z = 100o
(b) x = 80o, y = 50o, z = 105O
(c) x = 70o, y = 40o, z = 110o
(d) x = 60o, y = 20o, z = 120o
Answer: (a) x = 80o, y = 40o, z = 100o