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Geometry Name ________________________ Unit 2 Review Date __________ Block _____ I. Complete the following statements. __________________ 1) Lines that lie in the same plane and do not intersect are _____. __________________2) An infinite set of points that creates a flat surface that extends without ending. __________________ 3) Length is always a _____ number so we use the absolute value of the difference of the coordinates. __________________4) Lines that intersect and form right angles are called _____. __________________5) _____ angles are two angles in a plane that have a common vertex and a common side but no common interior points. __________________6) How many endpoints does a line have? __________________7) How many endpoints does a ray have? __________________8) How many endpoints does a segment have? __________________9) A(n) _____ is the point that divides a segment into 2 congruent pieces. __________________10) A(n) _____ is the ray that divides an angle into 2 equal angles. __________________11) The set of all points is called ______. __________________12) Points on the same line are _____. __________________13) Points on the same plane are _____. __________________14) An angle with exactly 90 is called a(n) _____ angle. __________________15) An angle with exactly 180 is called a(n) _____ angle. __________________16) An angle with more than 90 but less than 180 is a (n) _____ angle. __________________17) An angle with more than 0 but less than 90 is a (n) _____ angle. __________________18) Two angles whose measures have the sum 90 are _____ angles. __________________19) Two angles whose measures have the sum 180 are _____ angles. __________________20) Two non-adjacent angles formed by intersecting lines are called ____ angles. __________________21) Two noncoplanar lines that are not parallel and do not intersect. __________________22) Two adjacent angles whose non-common sides are on the same line. II. Segment Addition Postulate. Use the sketch below to answer #23-27 23. AB = 6 and BC = 8, find AC. ______ 24. BC = 12 and AC = 20, find AB. ______ 25. AB = x, BC = x + 3, and AC = 15, Find x, AB, and BC. 26. B is the midpoint of AC, AC = 20. Find AB and BC. x = _____ AB = _____ BC = _____ AB = _____ BC = _____ 27. B is the midpoint of AC, AB = x + 4 and BC = 2x – 5. Find x, AB, BC, and AC. x = _____ AB = _____ BC = _____ AC = _____ III. In Questions 28-32 you may have to visualize certain lines and planes not shown in the diagram. Use correct notation. C B _______28) Name the plane that does not intersect plane FGHE. A D _______29) Name the plane that contains points A, D and G. _______30) Are points C, D, E and G coplanar? _______31) Are points B, D, H and F coplanar? ______ 32) Name the intersection of CD and GC IV. Determine if the angles are linear, vertical, or neither. __________ 33) 5 and 8 __________ 34) 6 and 7 __________ 35) 5 and 9 __________ 36) 6 and 8 F E G H V. In the diagram, mDOF = 90, mBOA = 40, and mGOF = 60. Complete 37) mBOD = _____ 38) mFOE = ____ 39) mGOE = _____ 40) mBOC = ____ 41) mCOD = _____ 42) mDOE = ____ 43) mAOD = _____ 44) mBOG = ____ 45) If C and D are complementary and mC = x + 10, mD = 2x - 7, find: x = _____ mC = _____ mD = _____ 46) If E and F are supplementary and mE = 5y – 3, mF = 2y + 1, find: y = _____ mE = _____ mF = _____ 47) If mTAH = 2x + 10, mMAT = 56°, and mMAH = 132°, find: x = _____ mTAH = _____ 48) If YO bisects XYZ and mXYO = 5x – 8 and mOYZ = 3x + 24, find: x = _____ O X Z Y Find the distance between the coordinates on a number line. 49) -11 and 25 _______ 50) -42 and -6 _______ VI. Use a protractor to measure the angles to the nearest degree then classify.