Answer:
'
Step-by-step explanation:
<em>120°, 120°, 60°, 60°</em>
m∠1 = 180° - 60° = 120°
m∠1 = m ∠2 (alternate interior)
m∠3 = 60° (vertical to given angle)
m∠4 = m∠3 (alternate exterior)
x = 1/y
