Wow Maths Forum 2006 - 7
Geometric Proofs
Author:   Mr Cameron Fehr  
Key Stage 3  
Area of Maths:   Shape, Space and Measures  
Topic:   This powerpoint presentation demonstrates two geometric proofs. It is useful for explaining the process of proving a concept. I use it to provide the students with two examples before having them try some geometric proofs of their own.  
Audience:   Higher ability KS3  
The two geometric proofs shown are "Angles in a triangle add to 180 degrees" & "exterior angle of a triangle is equal to the sum of the two opposite interior angles."
Link to Resource >>>>