5 answers
(click or scroll down)
2, 2, and 5
1.5, 2.5, and 4
2, 3, and 5
1.5, 2.5, and 4
2, 3, and 5
2, 2, and 5
1.5, 2.5, and 4
2, 3, and 5
works, since the largest side must be less than the sum of the other two sides.
2.5, 6, and 6.5 is the only choice that works, since
6-2.5 < 6.5 < 6+2.5