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Lesson 1.1 , 1.2, 1.3

Lesson 1.1 , 1.2, 1.3. Conclusions based on patterns Inductive reasoning Basic terms of Geometry Postulates of Geometry. Use the pattern to find the next two terms. c. a. b. Section 1.2. Points, Lines, and Planes. or?. How to label: any three points on the plane.

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Lesson 1.1 , 1.2, 1.3

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  1. Lesson 1.1 , 1.2, 1.3 • Conclusions based on patterns • Inductive reasoning • Basic terms of Geometry • Postulates of Geometry

  2. Use the pattern to find the next two terms.

  3. c. a. b.

  4. Section 1.2 • Points, Lines, and Planes

  5. or?

  6. How to label: any three points on the plane How many planes do you see?

  7. How to label: any three (or more) points on the plane How many planes do you see? plane AEHD plane EHD plane HDA plane DAE plane AEH etc.

  8. How to label: any three (or more) points on the plane How many planes do you see? plane BFGC plane BFG plane FGC plane GCB plane CBF etc.

  9. How to label: any three (or more) points on the plane How many planes do you see? plane DCGH plane DCG plane CGH plane GHD plane HDC etc.

  10. Coplanar objects (points or lines) are objects that lie on the same plane. (The plane does not have to be visible.) Definition: Are they coplanar? ABC ? yes ABCF ? NO HGFE ? yes EHCB ? yes AGF ? yes CBFH ? NO

  11. Section 1.3 Segments, Rays, Parallel Lines & Planes

  12. A B T C N K D M E G H F

  13. A B T C N K D M E G H F

  14. Note the notation of Parallel “||”

  15. Plot the following points And determine if they produce parallel Lines. Line a: (1,2) & (3,4) Line b: (-3,1) & (1,3) Line a: (0,0) & (2,2) Line b: (0,-3) & (2,-1)

  16. Classwork / Homework • Page 14 - #11-23 odd, • #31-41 odd • #52-55, 60-65 • Page 20 - #21-32 • Page 20 - #37-47

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