if two sides of a triangle are 8 feet and 15 feet the length of the third side could be?

Answer 1

The length of any two sides must be greater than the third side, x.
x+8>15 => x>7
x+15>8 => x>0
8+15>x => x<23
Therefore the third side must be between 7 and 23 feet, or
7<x<23

Answer 2

For a triangle, you are Given the two side lengths of 10ft and 22ft. what is the shortest possible length of the third side? What is the longest?