Determine if the side lengths could form a triangle. Use an inequality to prove your answer. 9 km, 5 km, 8 km Yes 16 m, 21 m, 39 m [ Select ] 34 km, 27 km, 58 km [ Select ] 29 ft., 38 ft., 9 ft. [ Select ] 12 cm, 12 cm, 25 cm [ Select ] 31 yd., 14 yd., 19 yd. [ Select ]