6. Can the figure shown in the diagram be cut into four equal parts along the grid lines so that they can be used to form a square? Answer: Yes.
Solution. A way to cut the figure and assemble it from the resulting pieces

![](https://cdn.mathpix.com/cropped/2024_05_06_9f6367dd00f66810708dg-2.jpg?height=374&width=365&top_left_y=2394&top_left_x=1565)
![](https://cdn.mathpix.com/cropped/2024_05_06_9f6367dd00f66810708dg-3.jpg?height=394&width=864&top_left_y=148&top_left_x=411)

Fig. 4.