5.03: Parallel Lines and Transversals 2
Two supporting reasons are missing from the proof. Complete the proof by dragging and dropping the appropriate reasons into each of the empty boxes. Given: m∥nm∠3=120° Prove: m∠8=60°
1. Alternate Interior Angles Theorem 2. Substitution Property of Equality
____ ____ In this figure, AB⎯⎯⎯⎯⎯ II CD⎯⎯⎯⎯⎯⎯ and m∠1=110° What is m∠5? Enter your answer in the box.
110
In Quadrilateral ABCD , AB⎯⎯⎯⎯⎯∥CD⎯⎯⎯⎯⎯⎯ and m∠2=27°. What is m∠5? Enter your answer in the box.
27
In this figure, AB⎯⎯⎯⎯⎯∥CD⎯⎯⎯⎯⎯⎯ and m∠4=85°. What is m∠5? Enter your answer in the box.
95
Given a∥b , and c is not parallel to a or b, which statements must be true? Select each correct answer. m∠8=m∠9 m∠7=m∠10 m∠4=m∠8 m∠2=m∠7
m∠4=m∠8 m∠2=m∠7