Question 1097679
Two sides add to 9
The third side has to be at most 8.  If 9, then two sides equal the third side, and that won't be a triangle.
If 8, then 3.3, 5.7, and 8 all work
7 works, 6 works, 5 works, 4 works,  3 works, but 2 does not work
3.3, 5.7 and 2 has two sides that are less than the third.
[3, 8]
greatest perimeter is 17
least perimeter is 12