Which statement best describes the area of Triangle ABC shown below?

A triangle ABC is shown on a grid. The vertex A is on ordered pair 3 and 5, vertex B is on ordered pair 4 and 1, and the vertex C is on ordered pair 2 and 1.
(1 point)

It is twice the area of a square of side length 2 units.
It is one-half the area of a square of side length 2 units.
It is twice the area of a rectangle of length 2 units and width 4 units.
It is one-half the area of a rectangle of length 2 units and width 4 units.