polygon

1.   многоугольник

2.   полигон

- polygon of forces

- closed force polygon

- contraction polygon

- Cremona's polygon of forces

- depressed-center polygon

- equilateral polygon

- equilibrium polygon

- force polygon

- frost crack polygon

- frost stirred polygons

- funicular polygon

- raised-center polygon

- ridged polygon

- soil polygon

- string polygon