In the diagram, the points (2,1),(4,1) and (2,5) are three vertices of a rectangle. What are the coordinates of the fourth vertex of the rectangle?

Answer Choices
A. (5,2)
B. (4,4)
C. (1,5)
D. (4,5)
E. (2,4)
In the diagram, the points (2,1),(4,1) and (2,5) are three vertices of a rectangle. What are the coordinates of the fourth vertex of the rectangle?
Answer Choices
A. (5,2)
B. (4,4)
C. (1,5)
D. (4,5)
E. (2,4)