The measures of three line segments are given in each set. Which set of line segments cannot form a triangle?

12.6 m, 18.1 m, 30.9 m

45.2 m, 45.3 m, 45.4 m

23.2 m, 58.6 m, 72.1 m

20.8 m, 34.5 m, 54.2 m

Australopithecus robustus was likely the longest-surviving species of australopithecine in south africa. it had: a. large molars, a big face, and a sagittal crest. b. a large body, large teeth, and a sagittal crest. c. a big brain, big teeth, and a big face. d. a big face, large teeth, and a large body