contestada

Which set of side lengths could be the sides of a triangle?
Ο Α.
28 cm, 7 cm, 20 cm
B.
16 cm, 5 mm, 8 cm
C.
9 cm, 9 cm, 11 cm
OD. 34 cm, 12 cm, 13 cm

Please hurry it’s a Galileo!!!!