| A = AREA | B = BORDERS | C = COASTLINE | K = 1,000 * √A / (B + C) | ANSWER | % Correct |
|---|---|---|---|---|---|
| 9,984,670 | 8,893 | 202,080 | 14 | Canada | 78%
|
| 0.44 | 3.2 | 0 | 207 | Vatican City | 76%
|
| 242,900 | 361 | 12,429 | 38 | United Kingdom | 73%
|
| 1,904,569 | 2,830 | 54,716 | 23 | Indonesia | 70%
|
| 270,467 | 0 | 15,134 | 34 | New Zealand | 69%
|
| 181 | 0 | 370 | 36 | Marshall Islands | 67%
|
| 377,930 | 0 | 29,751 | 20 | Japan | 66%
|
| 61 | 39 | 0 | 200 | San Marino | 65%
|
| 12,189 | 0 | 2,528 | 43 | Vanuatu | 65%
|
| 323,802 | 2,551 | 25,148 | 20 | Norway | 64%
|
| 459 | 0 | 1,519 | 14 | Palau | 64%
|
| 702 | 0 | 6,112 | 4 | Federated States of Micronesia | 63%
|
| 26 | 0 | 24 | 212 | Tuvalu | 63%
|
| 28,896 | 0 | 5,313 | 31 | Solomon Islands | 61%
|
| 342,353 | 0 | 36,289 | 16 | Philippines | 60%
|
| 811 | 0 | 1,143 | 24 | Kiribati | 59%
|
| 300 | 0 | 644 | 26 | Maldives | 59%
|
| 13,943 | 0 | 3,542 | 33 | Bahamas | 56%
|
| 430 | 0 | 97 | 213 | Barbados | 53%
|
| 389 | 0 | 84 | 234 | Saint Vincent and the Grenadines | 53%
|
| 452 | 0 | 491 | 43 | Seychelles | 53%
|
| 2,381,741 | 6,343 | 998 | 210 | Algeria | 51%
|
| 5,130 | 0 | 362 | 197 | Trinidad and Tobago | 51%
|
| 1,002,450 | 2,665 | 2,450 | 195 | Egypt | 50%
|
| 2,040 | 0 | 177 | 255 | Mauritius | 50%
|
| 131,990 | 1,228 | 13,676 | 24 | Greece | 49%
|
| 43,094 | 68 | 7,314 | 28 | Denmark | 47%
|
| 1,267,000 | 5,697 | 0 | 197 | Niger | 47%
|
| 56,594 | 2,197 | 6,268 | 28 | Croatia | 45%
|
| 1,759,540 | 4,348 | 1,770 | 216 | Libya | 42%
|
| 2,149,690 | 4,431 | 2,640 | 207 | Saudi Arabia | 42%
|
| 17,364 | 535 | 0 | 246 | Swaziland | 42%
|
| 923,768 | 4,047 | 853 | 196 | Nigeria | 41%
|
| 45,227 | 633 | 3,794 | 48 | Estonia | 35%
|
| 1,104,300 | 5,328 | 0 | 197 | Ethiopia | 32%
|
| 527,968 | 1,746 | 1,906 | 198 | Yemen | 32%
|
| 25,713 | 766 | 0 | 209 | Macedonia | 31%
|
| 390,757 | 3,066 | 0 | 203 | Zimbabwe | 30%
|
| 28,051 | 539 | 296 | 200 | Equatorial Guinea | 29%
|
| 71,740 | 958 | 402 | 196 | Sierra Leone | 24%
|