1. Isosceles, right.
2. Scalene, right.
3. Equilateral, acute.
4. Scalene, acute.
5. Isosceles, acute.
6. Scalene, obtuse.
7. Scalene, obtuse.
8. Scalene, obtuse.
9. Equilateral, acute.
10. Isosceles, obtuse.
Answer:
D: (-2,1)
Step-by-step explanation: