Parallelograms #2 - Examining Interior Angles

In this sketch the students will observe what happens to interior angles of a quadrilateral with parallel sides and a diagonal. I hope that old triangle ideas will come back to them.

 

Jim Doherty

 
Resource Type
Activity
Tags
parallelogram 
Target Group (Age)
14 – 18
Language
English (United States)
 
 
GeoGebra version
4.4
Views
2325
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