z° = 80° (Being corresponding angles)
y° + 80° = 180° (Being linear pair of angles)
=> y° = 180° - 80°
=> y° = 100°
x° = y° (Being interior opposite angles)
=> x° = 100°
Answer:
9657
Step-by-step explanation:
the relation between them are
n(U) = n(X U Y) + n(xūy).
