3. This figure consists of 6 identical squares. Its perimeter is 84 cm. Find the area of this figure.

![](https://cdn.mathpix.com/cropped/2024_05_21_e53d4ff4f2278a1c0d12g-073.jpg?height=308&width=414&top_left_y=1265&top_left_x=821)
3. 1 ) $84: 14=6$ (cm) - the length of the side of the square.
2) $6 \times 6=36$ (cm$^2$) - the area of one square.
3) $36 \times 6=216$ (cm$^2$) - the area of the entire figure.

Answer: 216 sq. cm.