What is the ratio between perimeters of two squares one having 8 times the diagonal then the other? Choose the correct choice.
A) 3 : 6
B) 3 : 3
C) 3 : 8
D) 8 : 1
E) 3 : 2

Rationale: "d = 8 d d = d a √ 2 = 8 d a √ 2 = d a = 8 d / √ 2 a = d / √ 2 = > 8 : 1 answer : d"
Answer: D