Atriangle has two sides that have lengths of 8 cm and 14 cm. which length could not represent the length of the third side? question 2 options: 18 cm7 cm15 cm22 cm

Basically, in order for a triangle with sides ABC to be an actual triangle:

A + B > C
A + C > B
B + C > A

So therefore, the only choice that doesn't work with 8, and 14, is 22 cm.

This is because:

14 + 8 > 22

22 > 22

which doesn't work.

All the other ones, like

22 > 18

22 > 7 

22 > 15

All work. If you try it with the other things, they work too.

That's true!  Example:  a 60-60-60 degree triangle has 3 acute angles.