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 pairs 4 and 4, vertex b is on ordered pairs 7 and 2, and the vertex c is on ordered pairs 1 and 2.
it is one-half the area of a square of side length 6 units.
it is twice the area of a square of side length 6 units.
it is one-half the area of a rectangle with sides 6 units × 2 units.
it is twice the area of a rectangle with sides 6 units × width 2 units.