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?

Answer:
B. 2.8
Step-by-step explanation:
Pythagorean theorem
[tex]a^{2} + b^{2} = c^{2}[/tex]
[tex]2^{2} + 2^{2} = c^{2}[/tex]
[tex]8 = c^{2}[/tex]
square root of 8 = c
2.8 = c