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UNIT 1 Identify Points, Lines, and Planes

UNIT 1 Identify Points, Lines, and Planes. One capital letter. A finite space represented by a dot. A. A. Point A. 0 dimensions. pt. A. Two capital letters. Through any two points, there is one line. Extends without end. m. C. B. A. 1 dimension. line m.

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UNIT 1 Identify Points, Lines, and Planes

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  1. UNIT 1 Identify Points, Lines, and Planes

  2. One capital letter A finite space represented by a dot. A A Point A 0 dimensions pt. A

  3. Two capital letters Through any two points, there is one line. Extends without end. m C B A 1 dimension line m

  4. Has two endpoints. Doesn’t go on forever. C B A

  5. First letter is initial point C Initial point, then continues in one direction S B A

  6. Two rays with the same initial point, but go in opposite directions C and B A

  7. Points that lie on the same line C Pts A, B, and C B A

  8. 3 noncollinear points A Y Extends in all directions, forming a surface Plane XYZ X Z Or letter near the corner of the diagram. Plane A 2 dimensions

  9. A Y X Points that lie on the same plane Z Pts. X, Y, and Z

  10. Set of points 2 or more figures have in common Pt. B Plane CGE and Plane DBF

  11. 1. Give two other names for . line h

  12. 2. Name three points that are collinear C, B, and D

  13. 3. Give another name for plane F. Plane EBA

  14. Name a point that is not coplanar with A, B, and E. pt. C pt. D

  15. 5. Give another name for .

  16. 6. Name three rays with endpoint B.

  17. 7. Name a pair of opposite rays. and

  18. 8. Give another name for .

  19. 9. Sketch the figure described. a. Points A, B, and C, & D that are noncollinear. Draw A B D C

  20. 9. Sketch the figure described. b. Four points that are coplanar. A B C D

  21. 9. Sketch the figure described. c. Three lines that intersect at one point. A B F C G D E

  22. 9. Sketch the figure described. d. Two rays that intersect at their endpoint. B C A

  23. 10. Graph the inequality on the number line. Tell whether the graph is a segment, a ray or rays, a point, or a line. a. x > 2

  24. 10. Graph the inequality on the number line. Tell whether the graph is a segment, a ray or rays, a point, or a line. b. -1 < x < 3

  25. 10. Graph the inequality on the number line. Tell whether the graph is a segment, a ray or rays, a point, or a line. c. x < 0 or x > -1

  26. HW Problem # 16 D Ans: A A E B C **If you have a ruler, bring it tomorrow

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