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You are here: Geometry >> Sample Lectures
 
     
 
The
contain 10-15 minute lectures
 
 
for  every lesson in the print textbook. They also feature multimedia step-by-step explanations to the 5 practice problems that accompany each lesson. This set of CDs is ideal for students who prefer listening and watching to reading.
 
     
  Demos for Broadband Users  
  Excerpt on Formal and Informal Proofs  
   
   
   
   
  Using Betweenness of Rays  
  Completing a Formal Proof