Changes

The following Geogebra files are used with associated lessons:

The following Geogebra files are used with associated lessons:

[[:File:0. Angles introduction.ggb]]

#[[:File:0. Angles introduction.ggb|Angles introduction]]

[[:File:1. Complementary angles demonstration.ggb]]

#[[:File:1. Complementary angles demonstration.ggb|Complementary angles]]

[[:File:2. Supplementary angles demonstration.ggb]]

#[[:File:2. Supplementary angles demonstration.ggb|Supplementary angles]]

[[:File:3. parallellines-2.ggb]]

#[[:File:3. parallellines-2.ggb|Activity with parallel line]]

[[:File:4. Introduction to a triangle.ggb]]

#[[:File:4. Introduction to a triangle.ggb|Demonstration of triangle]]

[[:File:5.  Introduction to a  polygon.ggb]]

#[[:File:5.  Introduction to a  polygon.ggb|Polygon]]

==Concept #1. Introduction to polygons and nomenclature.==

==Concept #1. Introduction to polygons and nomenclature.==