1 / 14

Lesson 1.1: Points, Lines, and Planes

Lesson 1.1: Points, Lines, and Planes. Geometry CP Mrs. Mongold. Chapter 1 Foldable Flap 1. A. B. A. B. C. D. Undefined Term. Things that can only be described using examples and descriptions Examples: Points, Lines, and Planes. Definitions. Point: A location

timothy-mason
Download Presentation

Lesson 1.1: Points, Lines, and Planes

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lesson 1.1: Points, Lines, and Planes Geometry CP Mrs. Mongold

  2. Chapter 1 Foldable Flap 1 A B A B C D

  3. Undefined Term • Things that can only be described using examples and descriptions • Examples: Points, Lines, and Planes

  4. Definitions • Point: A location • Line: An object made of points that has no width or thickness • Plane: a flat surface made up of points • Collinear: points that are on the same line • Coplanar: points that lie on the same plane

  5. Examples of Points • The tip of a pen or pencil • The head of a pin • A hole in a piece of paper • Where the lines on a piece of paper intersect • Can you think of some examples?

  6. Examples of Lines • The lines on notebook paper • The metal strips on the ceiling • The paint on the highway • The mortar between cinderblocks • Can you think of some lines?

  7. Examples of Planes • The top of a table or desk • A window pane • A sheet of paper

  8. Name three collinear points

  9. Answers 1. D, H, A 2. D, G, F

  10. Name three coplanar points

  11. Answers • 1. D, H, A • 2. D, H, C • 3. H, A, C • 4. D, G, F • 5. D, F, C • 6. G, F, C • 7. A, B, C • 8. A, B, F • 9. A, C, f • 10. B, C, F

  12. Name the intersection of • Plane DHC and Plane P • Plane ACF and Plane DFC • Line CF and Line DA • Line CD and Plane P

  13. Answers • Line AC • Line FC • Will never intersect • Point C

  14. 3-2-1 Ticket Out The Door • 3 real life examples of points not already named in class • 2 real life examples of lines not already named in class • 1 real life example of a plane not already named in class

More Related