Which three lengths could be the sides of a triangle?

10 in, 8 in, 2in

6 in, 8 in, 13in

9in, 3in, 18 in

8 in, 3 in, 2 in

The three lengths that could be the sides of a triangle are:

6 in, 8 in, 13 in

8 in, 3 in, 2 in