1. Determine whether parallelogram EFGH is a rectangle, rhombus, or square by writing a two-column proof. Its vertices are located at E(-3,-2), F(-1,4), G(5,2), and H(3,-4).

quadrilateral gram has vertices G(2,3), R(7,10), A(9,4), and M(4,-3). Prove that gram is a parallelogram.

Find the area of the parallelogram with vertices (9, –3, –1), (6, –8, –1), (13, –1,4), and (10, –6, 4). Parallelogram has area

Let P be the parallelogram with vertices (-1,-1), (1, -1), (2, 2), (0, 2). Compute ffpxy dA. P