Unit 2 Assessment (Open Notes) Name Date Lines, Angles, Triangles SHOW ALL WORK. Write and solve equations where possible. 1. Using the figure to the right: a. What is the value of x? What term best describes the relationship between the 60" angle and the angle labeled x"? (2 pts] *60" m b. What is the value of y? Which term best describes the relationship between the 60" angle and the angle labeled y"? (2 pts) Use the figure to the right to answer questions 2-4. Lines r and s are parallel. 2. What type of angle pair are 23 and 267 (2 pts) 3. Name at least 2 angles that are supplementary to 247 (2 pts) 4. Which theorem states 27 = 23? (1 pt) 5. Using the figure to the right, write one angle relationship which must be true to prove the lines b and c are parallel. Explain your reasoning using specific angles and which theorem is this? (3 pts) Use the figure to the right to answer questions 6 & 7. Line / is the perpendicular bisector of AB. 6. What is the length of ACT Explain. (2 pts) C cm 7. If AD=4, what would be the length of CD? (2 pts)