Area of a Triangle

Students are asked to reason about the area of a triangle formula. When one vertex is moved on segment parallel to the base, the area remains constant. Can you write a proof to justify why this is true?

 

knwilson

 
Material Type
Activity
Tags
area  triangle  proof  inductive  altitude  deductive  reasoning  parallel  vertex 
Target Group (Age)
15 – 18
Language
English (United States)
 
 
GeoGebra version
4.2
Views
1777
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