8th Honors Name: Chapter 10 Practice Test Period: Define each term. 1. intersecting lines 4. perpendicular lines 2. parallel lines 5. coincident lines 3. coplanar lines 6. skew lines Determine the measures of the marked angles. 7. In the figure shown, 8. . If 9. , determine the measures of the other seven angles in the figure. 9. Use slopes to determine whether the two lines are parallel, perpendicular, or neither. 10. 11. 12. 13. Determine whether each statement is always true, sometimes true, or never true. 12. Parallel lines are coplanar. 13. Intersecting lines are perpendicular. 14. Perpendicular lines are skew. 15. Coincidental lines are parallel. 16. Coplanar lines are perpendicular. 17. Coplanar lines are skew. 18. Skew lines are parallel. 19. Vertical angles are congruent. 20. Adjacent angles are supplementary. 21. Adjacent angles are congruent. 22. If two angles form a linear pair, 23. Supplementary angles are congruent. 25. Perpendicular lines are intersecting lines. the angles are supplementary. 24. Coincidental lines are perpendicular. 26. Parallel lines are skew. Determine the relationship for each 27. What relationship describes two coplanar lines that do not intersect? 28. What relationship describes two coplanar lines that intersect at an infinite number of points? The map shows a portion of downtown Mapledale. Use the map to answer each question. 29. Which streets on the map appear to be parallel? 30. Which streets on the map appear to be perpendicular? 31. Which streets on the map are intersecting? 32. Which streets on the map are coplanar? 33. Which streets on the map are skew? 34. Which streets on the map are coincidental? Use algebra to answer each question. 35. If the measure of of and its supplement? 36. If the measure of the supplement of measure of 37. 38. is 72° less than the measure of , what is the and its supplement? If the measure of measure of is one-fourth the measure of its supplement, what is the measure is one-eighth times the measure of its supplement, what is the and its supplement? If the measure of the supplement of the measure of is 38° greater than the measure of and its supplement? In the figure shown, . 39. Identify all pairs of alternate interior angles. 40. Identify all pairs of alternate exterior angles. 41. Identify all pairs of same-side interior angles. 42. Identify all pairs of same-side exterior angles. 43. Identify all pairs of corresponding angles. 44. If , what are the measures of the other seven angles in the figure? , what is
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