| AB |
| AC |
| AP |
| S平行四邊形ANPM |
| S△ABC |
| AP |
| ||||
| 2 |
| AR |
| ||||
| 2 |
| AQ |
| 1 |
| 2 |
| AP |
| AR |
| AQ |
| 1 |
| 2 |
| AB |
| AC |
| AP |
| ||||
| 2 |
| AR |
| ||||
| 2 |
| AQ |
| 1 |
| 2 |
| AP |
| AR |
| AQ |
| AP |
| AP |
| 1 |
| 2 |
| ||||
| 2 |
| 1 |
| 2 |
| AC |
| 1 |
| 4 |
| 1 |
| 2 |
| AP |
| 1 |
| 4 |
| AB |
| 1 |
| 2 |
| AC |
| AP |
| 2 |
| 7 |
| AB |
| 4 |
| 7 |
| AC |
| a |
| b |
|
| AP |
| 2 |
| 7 |
| AB |
| 4 |
| 7 |
| AC |
| S平行四邊形ANPM |
| S平行四邊形ABC |
| |AN|•|AM|•sin∠CAB | ||
|
| |AN| |
| |AB| |
| |AM| |
| |AC| |
| 2 |
| 7 |
| 4 |
| 7 |
| 16 |
| 49 |
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