Answer:
[tex]16\sqrt{17}[/tex]
Step-by-step explanation:
The perimeter is two times width plus two times length:
[tex]2\sqrt{17} + 2\cdot 7\sqrt{17} = 2\sqrt{17} + 14\sqrt{17} = 16\sqrt{17}[/tex]
There is no way to simplify further.
