Ответ:
По рисунку:
- острые: \(\angle1,\angle2,\angle3,\angle4,\angle5,\angle6,\angle7,\angle9,\angle11\);
- вертикальные пары: \(\angle1\) и \(\angle2\), \(\angle3\) и \(\angle4\), \(\angle5\) и \(\angle6\), \(\angle7\) и \(\angle8\), \(\angle9\) и \(\angle11\);
- прямые: \(\angle10\) и \(\angle12\);
- накрест лежащие: \(\angle2\) и \(\angle6\), \(\angle5\) и \(\angle11\);
- тупые: \(\angle8,\angle10,\angle12\);
- односторонние: \(\angle2\) и \(\angle11\), \(\angle5\) и \(\angle6\);
- смежные пары: \(\angle1\) и \(\angle2\), \(\angle2\) и \(\angle3\), \(\angle3\) и \(\angle4\), \(\angle4\) и \(\angle5\), \(\angle5\) и \(\angle6\), \(\angle6\) и \(\angle7\), \(\angle7\) и \(\angle8\), \(\angle8\) и \(\angle9\), \(\angle9\) и \(\angle10\), \(\angle10\) и \(\angle11\), \(\angle11\) и \(\angle12\), \(\angle12\) и \(\angle1\);
- соответственные: \(\angle2\) и \(\angle7\), \(\angle5\) и \(\angle10\).
