Answer:
5 < x < 27 {x - lenght of unknown side}
Step-by-step explanation:
If we have triangle of sides: a, b, c, and a < b < c (or b<a<c) then:
for triangle to exist:
a + b > c
So:
if a=11, b=16 then 11 + 16 > c ⇒ c < 27
if a=11, c = 16 then 11 + b > 16 ⇒ b > 5
We don't know if the unknown side (x) is the longest or not, so it has to be greater than 5 and less than 27
5 < x < 27
