please help me with this i don’t understand much

Answer:
See below
Step-by-step explanation:
Three lengths will be a triangle only if the sum of two sides is greater than the third side.
[tex]19+11 > 17[/tex]
This is a triangle.
[tex]23+28> 52\\51>52\\51 \ngtr 52[/tex]
This is not a triangle.
[tex]9+25> 34\\34>34\\34\ngtr 34[/tex]
This is not a triangle.
[tex]13+14> 22\\27>22[/tex]
This is a triangle.