You used basic geometric concepts and 
                                                                              properties to solve problems.
                                                                              • Identify and model points, lines, and planes.
                                                                              • Identify intersecting lines and planes.
                   • undefined term      • definition
                   • point               • defined term
                   • line                • space
                   • plane
                   • collinear
                   • coplanar
                   • intersection
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                                                       Name Lines and Planes                                                                                          Name Lines and Planes
                                   A. Use the figure to name a line containing point K.                                                           B. Use the figure to name a plane containing point L.
                                   Answer: The line can be named as line a.                                                                       Answer: The plane can be named as plane B.
                                   There are three points on the line. Any two of the points                                                      You can also use the letters of any three noncollinear
                                   can be used to name the line.                                                                                  points to name the plane.
                                                                                                                                                  plane JKM                 plane KLM                     plane JLM
                                                       Name Lines and Planes
                                    The letters of each of these names can be reordered to                                                         A. Use the figure to name a line 
                                    create other acceptable names for this plane. For                                                              containing the point X.
                                    example, JKMcan also be written as JMK, MKJ, KJM, 
                                    KMJ, and MJK. There are 15 different three-letter                                                             A. line X
                                    names for this plane.
                                                                                                                                                  B. line c                                                                A. A
                                                                                                                                                  C. line Z                                                                B. B
                                                                                                                                                                                                                           C. C
                                                                                                                                                  D.                                                            0%    0%    0%    0%
                                                                                                                                                                                                                           D. D
                                                                                                                                                                                                                 A     B      C     D
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                                                                                                                                                                                             Model Points, Lines, and Planes
                                     B. Use the figure to name a                                                                                      A. Name the geometric shape modeled by a 
                                     plane containing point Z.                                                                                        10 ×× 12 patio.
                                                                                                                                                           ××
                                     A. plane XY
                                     B. plane c
                                                                                                               A. A                                   Answer: The patio models a plane.
                                     C. plane XQY                                                              B. B
                                                                                                               C. C
                                     D. plane 
                                                     0%    0%    0%    0%
                                                                                                               D. D
                                                                                                    A      B      C     D
                                                                            Model Points, Lines, and Planes
                                     B. Name the geometric shape modeled by a water                                                                   A. Name the geometric shape modeled by a colored 
                                     glass on a table.                                                                                                dot on a map used to mark the location of a city.
                                                                                                                                                      A. point
                                     Answer: The glass on the table models a point                                                                    B. line segment                                                           A. A
                                                    on a plane.                                                                                                                                                                 B. B
                                                                                                                                                      C. plane
                                                                                                                                                                                                                                C. C
                                                                                                                                                      D. none of the above                                           0%    0%    0%    0%
                                                                                                                                                                                                                                D. D
                                                                                                                                                                                                                      A     B      C      D
                                                                                                                                                                                                                                                             3
                                                                                                                                                                      Draw Geometric Figures
                                    B. Name the geometric shape modeled by the 
                                    ceiling of your classroom.
                                    A. point
                                    B. line segment                                                          A. A
                                    C. plane                                                                 B. B
                                                                                                             C. C
                                    D. none of the above                                         0%     0%    0%    0%                            Draw a surface to represent plane R and label it.
                                                                                                             D. D
                                                                                                  A      B     C      D
                                                       Draw Geometric Figures                                                                                         Draw Geometric Figures
                                   Draw a line anywhere on the plane.                                                                             Draw dots on the line for point A and B. Label the points.
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