Upload to your Geogebra group using this link: https://www.geogebra.org/group/stream/id/V53BgTWxE or     work through this page (Do not forget to Sing  in first. Otherwise you canot see and work with the members of your team in the Geogebra online enviroment)

Steps of our activity

1st: Create a golden rectangle (you can watch a video in twinspace activity4)

2nd: Calculate the quotient between the height and the side and check that it is golden number.

3rd: Draw a golden spiral inside the golden rectangle.

4th: Adjust your golden rectangle and spiral to the winner photo of the contest

The visitors can see the constructions on the page named "FINAL PRODUCTS"