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Midterm Review Geometry Name______________________________ 1. Segment Addition Postulate ______ + ______ = ______ A B C 2. A _____________________ divides a segment into two congruent segments. 3. A segment _____________________ divides a segment into two congruent segments. A 4. Angle Addition Postulate _____________ + _____________ = _____________ 5. An _____________________ angle measures more than 0º and less than 90º. D B C 6. A _____________________ angle measures 90º. 7. An _____________________ angle measures more than 90º and less than 180º. 8. A _____________________ angle measures 180º. 9. Angles that form a linear pair are _____________________. 10. Perpendicular lines form _____________________ angles. 11. Vertical angles are _____________________. 12. Two angles that share a common vertex and side are _____________________ angles. 13. Complementary angles have a sum of _____________ . 14. Supplementary angles have a sum of _____________ . 15. An angle _____________________ divides an angle into two congruent angles. 16. Midpoint Formula: 17. Distance Formula: 18. A _____________________ is a closed figure formed by three or more segments. 19. A _____________________ polygon has all sides congruent, all interior angles congruent and all exterior angles congruent. 20. Fill in the number for each prefix. Tri Hex Oct Non Quad Pent Hept Dec 21. Area is the number of _____________________ units a figure _____________________. 22. Perimeter is the _____________________ around a _____________________. 23. Circumference is the _____________________ around a _____________________. 24. When enclosing 4 sides of a rectangle with a given perimeter, the maximum area is obtained when all four sides are _____________________. 25. When enclosing 3 sides of a rectangle with a given perimeter, the maximum area is obtained when the sides have the following ratio: _____________________. 26. A triangle with three congruent sides is an _____________________ triangle. 27. A triangle with at least 2 congruent sides is an _____________________ triangle. 28. A triangle with no congruent sides is a _____________________ triangle. 29. A triangle with all three angles less than 90º is an _____________________ triangle. 30. A triangle with one right angle is a _____________________ triangle. 31. A triangle with one obtuse angle is an _____________________ triangle. 32. Write an example for each of the following properties: Reflexive property __________________________________________ Symmetric property __________________________________________ Transitive property__________________________________________ 33. If two angles are supplements of the same angle (or of congruent angles) then the two angles are _____________________. 34. If two angles are complements of the same angle (or of congruent angles) then the two angles are _____________________. 35. All right angles are _____________________. 36. If two angles are congruent and supplementary, then each angle is a _____________________ angle. 37. If two parallel lines are cut by a transversal, then corresponding angles are _____________________. alternate interior angles are _____________________. alternate exterior angles are _____________________. 38. Using the diagram below, identify one example of the following angle pairs: Corresponding Angles: ________________________ Vertical Angles: ________________________ Adjacent Angles: ________________________ Alternate Interior Angles: ________________________ Same Side Interior Angles: ________________________ Alternate Exterior Angles: ________________________ Same Side Exterior Angles: ________________________ Congruent Angles: ________________________ Supplementary Angles: ________________________ 39. If corresponding angles are congruent, then the lines are _____________________. 40. If alternate interior angles are congruent, then the lines are _____________________. 41. If alternate exterior angles are congruent, then the lines are _____________________. 42. If consecutive interior angles are supplementary, then the lines are _____________________. 43. If two lines are parallel to the same line, then they are _____________________ to each other. 44. If two lines are perpendicular to the same line, then they are _____________________ to each other. 45. If a line is perpendicular to one of two parallel lines, then it is also _____________________ to the other. 46. The sum of the interior angles of a triangle is _____________________. 47. In a polygon, an interior angle and its adjacent exterior angle are _____________________. 48. An exterior angle of a triangle is equal to the sum of its _____________________ angles. 49. Slope formula: 50. Slope-intercept form of a line _____________________. 51. Point-slope form of a line _____________________. 52. Horizontal lines have a slope of _____________________. 53. Vertical lines have a slope that is _____________________. 54. Parallel lines have the same _____________________. 55. Perpendicular lines have slopes that are _____________________. 56. The exception to the perpendicular lines are horizontal lines which have a slope of and a vertical lines which have a slope that is . They are not negative reciprocals; however, they are still perpendicular. For questions 57-59, write the definition and draw and label a diagram for each. 57. Perpendicular bisector of a triangle 58. Angle bisector of a triangle 59. Altitude of a triangle ,