What is the ratio between perimeters of two squares one having 3 times the diagonal then the other?	Choose the correct choice from the following options.
A) 3 : 2 B) 3 : 0 C) 4 : 1 D) 3 : 1 E) 2 : 2

Rationale: d = 3 d d = d a √ 2 = 3 d a √ 2 = d a = 3 d / √ 2 a = d / √ 2 = > 3 : 1 answer : d
Answer: D