Question

Which set of segment lengths could be used to construct a triangle?

A)
2, 12, 19


B)
4, 7, 13


C)
4, 5, 12


D)
13, 2, 12

Answer 1

Only D can construct a triangle. The reason is that two segments added together have to be greater than the 3rd segment, which is not true with the other answers. 

Answer 2

D is the only correct answer