Two sides of a triangle have lengths \(x\) and \(y\) and meet at a right angle. If the perimeter of the triangle is \(4x,\) what is the ratio of \(x\) to \(y?\)
a) \(2 : 3\)
b) \(3 : 4\)
c) \(4 : 3\)
d) \(3 : 2\)
e) \(2 : 1\)
Answer: B
Source: Manhattan GMAT