Question

Which three lengths could be the lengths of the sides of a triangle? Thanks

A. 12cm, 19cm, 7cm
B. 23cm, 5c, 13cm
C. 7cm, 18cm, 13cm
D. 11cm, 8cm, 19cm

Answer 1

s1+s2>s3 where s1 and s2 are the 2 smaller sides

Choice C is the only 1 that fits

7+13 >18