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Splash Screen. Identify and model points, lines, and planes. Identify collinear and coplanar points and intersecting lines and planes in space. undefined term. plane coplanar space. point line collinear. Lesson 1 MI/Vocab. Lesson 1 KC1.

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Splash Screen

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  1. Splash Screen

  2. Identify and model points, lines, and planes. • Identify collinear and coplanar points and intersecting lines and planes in space. • undefined term • plane • coplanar • space • point • line • collinear Lesson 1 MI/Vocab

  3. Lesson 1 KC1

  4. There are three points on the line. Any two of the points can be used to name the line. Name Lines and Planes A. Use the figure to name a line containing point K. Answer: The line can be named as line a. Lesson 1 Ex1

  5. Name Lines and Planes B. Use the figure to name a plane containing point L. Answer: The plane can be named as plane B. You can also use the letters of any three noncollinearpoints to name the plane. plane JKM plane KLM plane JLM Lesson 1 Ex1

  6. Name Lines and Planes The letters of each of these names can be reordered to create other acceptable names for this plane. For example, JKM can also be written as JMK, MKJ, KJM, KMJ, and MJK. There are 15 different three-letter names for this plane. Lesson 1 Ex1

  7. A. Use the figure to name a line containing the point X. • line X • line c • line Z • YZ [Enter question here]

  8. B. Use the figure to name a plane containing point Z. • plane XY • plane c • plane XQY • plane P [Enter question here]

  9. Model Points, Lines, and Planes A. Name the geometric shape modeled by the long hand on a clock. Answer: The long hand on a clock models a line segment. Lesson 1 Ex2

  10. Model Points, Lines, and Planes B. Name the geometric shape modeled by a 10  12 patio. Answer: The patio models a plane. Lesson 1 Ex2

  11. Model Points, Lines, and Planes C. Name the geometric shape modeled by a water glass on a table. Answer: The glass on the table models a point on a plane. Lesson 1 Ex2

  12. A. VISUALIZATION Name the geometric shape modeled by a colored dot on a map used to mark the location of a city. • point • line segment • plane • none of the above [Enter question here]

  13. B. VISUALIZATION Name the geometric shape modeled by the ceiling of your classroom. • point • line segment • plane • none of the above [Enter question here]

  14. C. VISUALIZATION Name the geometric shape modeled by the railing on a stairway. • point • line segment • plane • none of the above [Enter question here]

  15. Draw Geometric Figures Draw a surface to represent plane R and label it. Lesson 1 Ex3

  16. Draw Geometric Figures Draw a line anywhere on the plane. Lesson 1 Ex3

  17. Draw Geometric Figures Draw dots on the line for point A and B. Label the points. Lesson 1 Ex3

  18. Draw Geometric Figures Lesson 1 Ex3

  19. Draw Geometric Figures Draw dots on this line for point D and E. Label the points. Lesson 1 Ex3

  20. Draw Geometric Figures Label the intersection point of the two lines as P. Lesson 1 Ex3

  21. Draw Geometric Figures Answer: Lesson 1 Ex3

  22. Draw Geometric Figures Answer: There are an infinite number of points that are collinear with Q and R. In the graph, one such point is T(1, 0). Lesson 1 Ex3

  23. Interpret Drawings A. How many planes appear in this figure? Answer: There are two planes: plane S and plane ABC. Lesson 1 Ex4

  24. Interpret Drawings B. Name three points that are collinear. Answer: Points A, B, and D are collinear. Lesson 1 Ex4

  25. Interpret Drawings C. Are points A, B, C, and D coplanar? Explain. Answer: Points A, B, C, and D all lie in plane ABC, so they are coplanar. Lesson 1 Ex4

  26. Interpret Drawings Answer: The two lines intersect at point A. Lesson 1 Ex4

  27. A. How many planes appear in this figure? • one • two • three • four [Enter question here]

  28. B. Name three points that are collinear. • B, O and X • X, O and N • R, O and B • A, X and Z [Enter question here]

  29. C. Are point X, O, and R coplanar? • yes • no • cannot be determined [Enter question here]

  30. point X • point N • point R • point A [Enter question here]

  31. Pg. 9-11; 10-34all, 48-50all HOME

  32. End of Lesson 1

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