Question

Which of the following lengths could be the sides of a triangle?

Answer 1

i will find cant be a triangle:
13+7>22 (wrong)
13+8>22 (wrong)
6+12>18 (wrong)
the first one is okay :)

Answer 2

confused ... ;p;

Answer 3

I was thinking it was the first as well

Answer 4

to form a triangle, the sum of two sides must more than the third side

Answer 5

for sides 7,18,12 we can check it :
7+18>12 (right)
7+12>18 (OK)
18+12>7 (good)
:)

Answer 6

So it's the first one!

Answer 7

yes