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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
Excerpt on Deductive Reasoning
Excerpt on Euclid's Postulates
Excerpt on Line Segments
Excerpt on Properties of Equality
Using Betweenness of Rays
Completing a Formal Proof