Changes

===Notes for teachers===

===Notes for teachers===

# The GeoGebra file below verifies the Thales theorem <br>

# The GeoGebra file below verifies the Thales theorem <br>

## Thales Theorem http://www.karnatakaeducation.org.in/KOER/Maths/thales_theorem.html

{{#widget:YouTube|id=Y-6yYsuGLoc}}

## See a video that proves this theorem http://www.youtube.com/watch?v=Y-6yYsuGLoc

''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''

''These are short notes that the teacher wants to share about the concept, any locally relevant information, specific instructions on what kind of methodology used and common misconceptions/mistakes.''