500
A parallelogram has vertices at (0,0), (0, 6), (4, 4), & (4, -2). Which transformation maps the parallelogram to itself?
A. reflection across the line x = 2
B. reflection across the line y = 2
C. rotation of 180 degrees about the point (2, 2)
D. rotation of 180 degrees about the point (0, 0)
What is C-- rotation of 180 degrees about the point (2, 2)?