Geometry: Circles and their properties Lessons

• Lesson : MOVIE (FLASH) Geometry Arcs and Chords by nutshellmath(0)  
• Lesson : Angle in a semicircle by hummingbird(0)  
• Lesson : Basic formulas in a circle by hummingbird(0)  
• Lesson : Basic properties of a circle by hummingbird(0)  

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• You, too, can write your own lessons. Click here to create a lesson on 'Circles'. They will have your name on them. It is easy, too. Click here for more information. Simply go to any section of my site and look for 'Create a lesson' link. If you are new, I recommend starting in the "playground" section of my site. You can see the "source code" of other lessons to learn how they are written.
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