Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Different congruity levels
| Congruity level | Convex hull | Density | Total surface | Average diameter | Total circumference |
|---|---|---|---|---|---|
| 4 | C | IC | C | C | C |
| 4 | C | C | C | IC | C |
| 3 | IC | IC | C | C | C |
| 3 | C | IC | C | IC | C |
| 3 | C | C | IC | IC | C |
| 2 | IC | IC | C | IC | C |
| 1 | IC | IC | IC | IC | C |
C, congruent with number; IC, incongruent with number.
