Activity 4 - Concreção 9324
Some works by Luiz Sacilotto stand out for exploring visual effects related to optical illusions, providing the viewer with a sense of movement or three-dimensionality. One example is Concreção 9324 and some other paintings created from the 1990s onward.
Figure 4 - Concreção 9324
Question 1
In the artwork Concreção 9324, Luiz Sacilotto explores some well-known geometric shapes. Check the ones you recognize from the list below.
Question 2
Which geometric transformation(s) can we identify in this artwork?
Question 3
Do you consider the artwork, as a whole, to be a symmetrical figure? Justify your answer.
Use the image below to answer Question 04.
Question 4
In this section of the artwork Concreção 9324, we highlight a line containing the sides of parallelograms and right isosceles triangles. What does this line represent in this section?
Use the image below to answer the following questions.
Question 5
Which geometric transformation(s) involve parallelograms 1 and 2 highlighted in the image? Justify your answer.
Question 6
Which geometric transformation(s) involve triangles 3 and 4 highlighted in the image? Justify your answer.
Access GeoGebra Geometry through the link https://www.geogebra.org/geometry/ayusghrq and feel free to reinterpret the artwork using the tools you are familiar with from GeoGebra.