Answer:
[tex]d\approx 127.3\ ft[/tex]
Step-by-step explanation:
Diagonal of a Square
The baseball infield is a square of a side length of a=90 ft. From first base to 3rd base the ball must travel the length of the diagonal of the square.
We can calculate the diagonal of a square with the formula
[tex]d=\sqrt{2}a[/tex]
Substituting:
[tex]d=\sqrt{2}*90[/tex]
Calculating:
[tex]d\approx 127.3\ ft[/tex]