Answer: 90 feet
Explanation:
Since the baseball diamond is shaped like a square, all sides are equal in length.
Let's denote the length of each side by x.
The perimeter of a square is the sum of the lengths of all four sides, so we can write:
4x = 360
Dividing both sides by 4, we get:
x = 90
Therefore, each side of the baseball diamond is 90 feet long.