Which are the possible side lengths of a triangle? 3 cm, 5 cm, 9 cm
4cm, 8 cm, 10 cm
6 cm, 9 cm, 17 cm
8 cm, 10 cm, 18 cm

4cm, 8 cm, 10 cm

Step-by-step explanation:

The triangle inequality states that for any triangle, the sum of the lengths of any two sides must be greater than the length of the remaining side. For the given triangles:

3+5 < 9   NO

4+8>10; 10+8>4;10+4>8 YES

6+9 < 17  NO

8+10=18  NO

mark other person brainliest

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.