Blinkov A. D:

From each square grid with a side of 3 cells, a figure consisting of five cells is cut out, with the same perimeter as the square but an area of 5 cells. Sasha claims that he can cut out seven such different figures (no two of them will coincide when overlaid, even if the figures are flipped). Is he mistaken?
Here are these figures:
![](https://cdn.mathpix.com/cropped/2024_05_06_04ea0aec75eb28164af1g-03.jpg?height=182&width=1844&top_left_y=1390&top_left_x=104)

Answer

Does not make a mistake.