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Activity 4 - Concreção 9324

Author:Cláudia Oliveira de Almeida Santos
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

Figure 4 - Concreção 9324
Concreção 9324, 1993 Tempera and acrylic on canvas. 90 cm × 110 cm. Private Collection Source: Sacilotto, 2021

Question 1

In the artwork Concreção 9324, Luiz Sacilotto explores some well-known geometric shapes. Check the ones you recognize from the list below.

Select all that apply
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
Check my answer (3)

Question 2

Which geometric transformation(s) can we identify in this artwork?

Select all that apply
  • A
  • B
  • C
  • D
Check my answer (3)

Question 3

Do you consider the artwork, as a whole, to be a symmetrical figure? Justify your answer.

Check my answer

Use the image below to answer Question 04.

Use the image below to answer Question 04.
Source: The author.

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?

Check my answer

Use the image below to answer the following questions.

Use the image below to answer the following questions.
Source: The author.

Question 5

Which geometric transformation(s) involve parallelograms 1 and 2 highlighted in the image? Justify your answer.

Check my answer

Question 6

Which geometric transformation(s) involve triangles 3 and 4 highlighted in the image? Justify your answer.

Check my 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.

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