What's the question?
If it's "What's the difference?" or something like that, then the answer is 15. :)
The answer should be acute and scalene. Sorry if I’m wrong though
1. 14:8, 21:12 28:16
2. 10/12 15/18 20/24
5. 5:4
6. No
7. No
8. Yes
9. No
10. 15
