Answer:
The answer is:
"The third side measures more than 5 inches".
Explanation:
In order to determine the answer, we have to know about a specific triangle property.
This property is related with the sides of any triangle.
Given a,b, c the length of the sides of a general triangle:

In this case, we do not know the type of the triangle, we just know the values of two sides.
b=10
c=15
a=unknown side

Finally, the unknown side is greater than 5 but lesser than 25.
The correct option is:
"The third side measures more than 5 inches".