[color=#999999][color=#999999]This activity belongs to the [i]GeoGebra book[/i] [url=https://www.geogebra.org/m/dm9prd7h]Attractive projects.[/url][/color][/color][b][br][br]2D Project[/b]: [i]recreate 2D mathematical scenarios.[/i][br][br]This is a dynamic version of [url=http://www.math.ubc.ca/~cass/Euclid/book1/byrne-48.html]Proposition 47[/url] of [url=http://www.math.ubc.ca/~cass/Euclid/book1/byrne-48.html]Book I[/url] of the Elements of Euclid (Pythagorean Theorem) using the colors of [url=http://www.math.ubc.ca/~cass/Euclid/book1/byrne-48.html]Oliver Byrne[/url]'s book.
[color=#999999]Author of the construction of GeoGebra: [color=#999999][url=https://www.geogebra.org/u/rafael]Rafael Losada[/url][/color][/color]