Name: Period: Geometry - Chapter 1 Practice Test Use the figure at the right for #1-7. G is the midpoint of RS and <RGK <KGB. 1. Name a ray opposite to DS ________ 2. Name two congruent segments. __________ 3. Name an angle bisector. ______________ 4. Because of this postulate ____________________, AG + GB = _______________. 5. m<RGK _______ m<KGB. 6. m<RDC + m< ________ = 180. 7. If RG = 4, than RS = ___________. Use the figure at the right for #8-11. 8. Name the intersection of plane M and N. __________ 9. Are points A, B, and D collinear? ____________ 10. Are points A, B, and D coplanar? ____________ 11. Name two points that determine line l. _________ Use the figure at the right for #12-16. 12. Name a plane that contains EF. ________ 13. Name two planes that do not intersect. _________. 14. Name three lines shown that intersect at point H. __________ 15. Name a fourth point that is in the same plane as the points D, E, F. _________ 16. Name the intersection of planes AEHD and EFGH. ________ Date: Name: Period: Date: Sketch and label the figures described. 17. Vertical line k intersects horizontal plane R at C. 18. Q is the midpoint of JK. 19. Plane N contains intersecting lines r and s. 20. J, K, and L are coplanar points but not collinear points. Classify each statement as true or false and give the definition, postulate, and theorem that supports your conclusion. 21. Two intersecting lines meet in exactly one point. ________________________________ 22. A given triangle can lie in more than one plane. _________________________________ 23. Two planes can intersect in only one point. _____________________________________ 24. Three points determine a plane. ______________________________________________ 25. Through a line and a point not on the line there is one and only one plane. ____________ 26. Congruent segments are segments that sometimes have equal measures. ______________ 27. If S is between R and T, than R, S, and T are collinear points. ______________________ 28. Use the figure below to find the value of x. 29. DB bisects <ADC, m<1 = 5x – 3, and m< 2 = x + 25. Find the value of x. 30. E is the midpoint of DF. DE = 45 and EF = 5y – 10. Find the value of y.