Which lengths could be the side lengths of a triangle?
a. 0.3 cm, 0.8 cm, and 1.1 cm
b. 7.5 cm, 7.5 cm, and 16.3 cm
c. 5.6 cm, 9.3 cm, and 15.0 cm
d. 3.9 cm, 4.3 cm, and 7.8 cm