| (x1-x2)2+(y1-y 2)2 |
| (-1-0)2+(2-3)2 |
| 2 |
| 13 |
| 13 |
| 13 |
| 13 |
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
| FG |
| OC |
| AG |
| OA |
| 1 |
| 2 |
| (2+1)2+(1-3)2 |
| 13 |
| P | ′ 1 |
| P | ′ 1 |
|
|
| 4 |
| 3 |
| 11 |
| 3 |
| 11 |
| 4 |
| 11 |
| 4 |
| P | ′ 1 |
| (2+1)2+(1+4)2 |
| 9+25 |
| 13 |
| 13 |
|
|
| 3 |
| 4 |
| 3 |
| 4 |
| FG |
| OC |
| AG |
| OA |
| FG |
| 3 |
| t |
| 4 |
| 3 |
| 4 |
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| 2 |
| 3 |
| 4 |
| 3 |
| 8 |
| 3 |
| 2 |
| 7 |
| 6 |
| 7 |
| 6 |
| 7 |
| 6 |
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| 2 |
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