Answer (assuming the numbers are the side lengths...)
4. Right Scalene 5. Obtuse Isosceles 6. Acute Isosceles 7. Equilateral 8. Right Scalene 9. Acute Scalene
Step-by-step explanation:
It is a lot of explaining, so if you want to cheat then go to triangle-calculator.com and then type in a = (side 1) b = (side 2) c = (side 3) and it will do the work for you :)