The ratio of the area of a square to that of the square drawn on its diagonal is?	Pick.
A) 2 : 5 B) 3 : 4 C) 3 : 5 D) 1 : 2 E) 2 : 3

Rationale: explanation : a 2 : ( a â ˆ š 2 ) 2 a 2 : 2 a 2 - > 1 : 2 answer is d
Answer: D