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Unit 1 Review Geometry Name_________________________ Use the diagram to decide whether the statement is true or false. 1. Points H, F, and G are collinear. 2. Points H, E, and J are coplanar. M 3. EG and FG are opposite rays. P 4. All points on GI and GF are coplanar. 5. Another name for plane P is plane JGF. 6. Sketch a pair of opposite rays, label, and name them. 11. Point M is the midpoint of LN . Use the information to draw a diagram and write an equation in terms of x. Solve the equation, then find LN. LM = x + 20 MN = 5x – 4 LN = _______ For questions 9 - 15 below, show all of your work in the space provided. 9. Given mABC 94, find mCBD . 9. mCBD = ___________ 10. Plot the given points in the coordinate plane. Then use the distance formula to prove whether the line segments named are congruent. Show all of your work in the space provided. A (5, 2) B ( - 3, 1) C ( - 1, 7) D ( 4, 1) AB = __________ CD = __________ _________________ 11. Find the coordinates of the midpoint of the segment with the given endpoints. Show your work in the space provided. H (- 6, 7) and I (10, - 1) 11. ____________________ 12. In the diagram, BD bisects ABC . Find mABC . 12. mABC = __________ 13. Find mCBD . CBD & ABC are a linear pair. 13. mCBD = __________ 14. Find mABC . AB ED. 14. mABC = ___________ 15. Find the measures of a, b, c, and d. a = _________ b = _________ c = _________ d = _________ 16. Use the diagram to answer each of the following: a) Name a pair of vertical angles. _______________ b) Name a pair of opposite rays. ___________ c) Name a pair of supplementary angles. __________ 17. Draw each scenario described below, be sure to label properly. a) Line m intersecting Plane Z at one point b) An obtuse angle named angle EFG c) Line RS intersecting line XY at point Z Q