Answer:
8.6 feet.
Explanation:
To find the length of the leash, we use the Pythagorean theorem (a² + b² = c²).
Since c is the hypotenuse, c here is the leash length.
Plug the values in and solve:
c² = 5² + 7²
c² = 25 + 49
c² = 74
c = √74 ≈ 8.6
The leash is 8.6 ft long.