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Postulates and Theorems

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About this Lesson

  • Type: Video Tutorial
  • Length: 14:58
  • Media: Video/mp4
  • Use: Watch Online & Download
  • Access Period: Unrestricted
  • Download: MP4 (iPod compatible)
  • Size: 145 MB
  • Posted: 07/23/2010

This lesson is part of the following series:

Basic Beginning Algebra and Geometry Series (30 lessons, $29.70)
Geometry Basics Made Simple (19 lessons, $19.80)

Even the words sound intimidating! What are Postulates and Theorems anyway? They've been around for a long time and contain all the "rules" of Geometry. This video explains the difference between Postulates and Theorems in a way that is not as strange as they sound.

Once you know your Postulates, Theorems, and definitions, there is nothing in Geometry that you cannot do. Isn't that a good feeling?

About this Author

Sandra Wilkes
Sandra Wilkes
29 lessons
Joined:
07/06/2010

Welcome!

Some students try as hard as they can and still struggle just to pass math. Tears and frustration make it even worse for parent and child. Tensions rise. Self esteem falls.

I talked with a parent this spring whose son was taking algebra for the 4th time! There are many reasons this could happen of course. One reason is the student may need more repetition to understand what is going on. These videos will help you or your child, finally understand. They start at the very, very beginning and go through the basics so you can build the foundation you need.

Buying your own video series will allow you to have the math help you need. It's kind of like having your own...

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Recent Reviews

Nopic_orng
Postulates and Theorems
09/23/2011
~ milly91

Thanks for explaining. I still hate it but I can do it much better now.

Nopic_orng
Postulates and Theorems
09/23/2011
~ milly91

Thanks for explaining. I still hate it but I can do it much better now.

Lesson Outlines:

I. Postulates: Don't have to prove. Yay!
A. Two points determine a line.
B. Three non-collinear points determine a plane.

II. Theorems: Must be proven.

II. Definitions
A. Collinear Points
B. Non-Collinear Points
C. Line Segment
D. Ray

III.Notation
A. Line
B. Line Segment
C. Ray

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