| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| 2 duong thang vuong goc | 1.41 | 0.4 | 7261 | 47 |
| phuong trinh 2 duong thang vuong goc | 1.11 | 0.7 | 7948 | 98 |
| chung minh 2 duong thang vuong goc | 0.53 | 0.1 | 3782 | 42 |
| cach chung minh 2 duong thang vuong goc | 1.68 | 0.4 | 1337 | 14 |
| toan hinh 11 bai 2 hai duong thang vuong goc | 0.21 | 0.8 | 6128 | 33 |
| dieu kien de 2 duong thang vuong goc | 0.8 | 0.7 | 8017 | 35 |
| phuong trinh duong thang vuong goc | 0.57 | 0.6 | 7159 | 64 |
| hai duong thang vuong goc | 0.59 | 0.9 | 6465 | 49 |
| duong thang vuong goc voi mat phang | 1.26 | 0.8 | 9358 | 99 |
| goc giua 2 duong thang | 1.62 | 1 | 4270 | 80 |
| goc giua duong thang va mat phang | 0.23 | 1 | 2013 | 34 |
