Answer:
Explanation:
m∠1 = 180-40= 140° (suplementary angles)
m∠2= 40° (vertical angles are ≅)
m∠3= 140° ( is ≅ to ∠1)
m∠4 = m∠6 = 40° ( same side corresponding ∠s, and vertical angles)
m∠5 = m∠7 = 140° ( same side corresponding ∠s, and vertical angles)