Name Class Date Practice Use the figure at the right for Exercises 1–4. Note that line r Points, Lines, and Planes pierces the plane at It is not coplanar with X. V. 1-2 Form K What are two other ways to name 1. ? To start, remember you can name a line by any point(s) on the line or by lowercase letter(s). Two other ways to name are line and. What are two other ways to name plane 2. V? Name three collinear points. 3. Name four coplanar points. 4. Use the figure at the right for Exercises 5–7. Name six segments in the figure. To start, 5. remember that a segment is part of a line that consists of endpoints. Six segments are and . AB, BC, , , , Name the rays in the figure. 6. Name the pairs of opposite rays with endpoint 7. a. C. Name another pair of opposite rays. b. For Exercises 8–12, determine whether each statement is always, or true. sometimes, never Plane and plane are the same plane. 8. ABC DEF and are the same line. 9. Plane does not contain point 10. XYZ Z. All the points of a line are coplanar. 11. Two rays that share an endpoint form a line. 12. Teaching Resources Prentice Hall Foundations Geometry • Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 15
Name Class Date Points, Lines, and Planes 1-2 Use the figure at the right for Exercises 1–4. Note that line r pierces the plane at X. It is not coplanar with V. Practice Form K 1. What are two other ways to name ? To start, remember you can name a line by any point(s) on the line or by lowercase letter(s). Two other ways to name are line and. 2. What are two other ways to name plane V? 3. Name three collinear points. 4. Name four coplanar points. Use the figure at the right for Exercises 5–7. 5. Name six segments in the figure. To start, remember that a segment is part of a line that consists of endpoints. Six segments are AB, BC, , , , and . 6. Name the rays in the figure. 7. a. Name the pairs of opposite rays with endpoint C. b. Name another pair of opposite rays. For Exercises 8–12, determine whether each statement is always, sometimes, or never true. 8. Plane ABC and plane DEF are the same plane. 9. and are the same line. 10. Plane XYZ does not contain point Z. 11. All the points of a line are coplanar. 12. Two rays that share an endpoint form a line. Prentice Hall Foundations Geometry • Teaching Resources Copyright © by Pearson Education, Inc., or its affiliates. All Rights Reserved. 15