If the vertices of a triangle have coordinates \((x,1), (5,1),\) and \((5,y)\) where \(x<5\) and \(y>1,\) what is the area of the triangle?
(1) \(x=y.\)
(2) Angle at the vertex \((x,1)\) is equal to angle at the vertex \((5,y).\)
Answer: C
Source: GMAT Club Tests