CAN SOMEONE PLEASE HELP ME WITH THIS PROBLEM

Answer:
16 : 5[tex]\sqrt{13}[/tex]
Step-by-step explanation:
For 2 similar polygons with ratio of sides/perimeter = a : b
Then the ratio of areas = a² : b²
Here the ratio of areas = 256 : 325
Hence ratio of perimeters = √256 : √325 = 16 : 5 √13