Directions: Determine if the side lengths could form a triangle. Use an inequality to prove your answer.



1. 16 m, 21 m, 39 m


2. 18 in, 6 in, 13 in


3. 34 km, 27 km, 58 km

4. 29 ft, 38 ft, 9 ft


5. 12 cm, 12 cm, 25 cm


6. 31 yd, 14 yd, 19 yd