GAUSS8 2015 Problem 20

A rectangle has side lengths 3 and 4. One of its vertices is at the point (1,2). Which of the following could\:not be the coordinates of one of its other vertices?

Answer Choices
A. (-3,-1
B. (1,-5
C. (5,-1
D. $$(-2,6$
E. $$(1,-1$