A square park is surrounded by a sidewalk. Each side of the park has a length of 2 miles. What is the shortest distance traveling diagonally across the park?

The answer and explanation to your question in a file, link below

xlnk․cf/tcMG

Formulas:

y=x-2

y=-1x+6

You'll basically just graph these which you said you can do, and if you don't want to, just input these formulas in Desmos Graphing Calculator, and the point that they intersect is your answer for the point of intersection