Line segment EF is shown on a coordinate grid: A coordinate plane is shown. Line segment EF has endpoints negative 3 comma 2 and negative 1 comma 2. The line segment is rotated 180 degrees counterclockwise about the origin to form E′F′. Which statement describes E′F′? a E′F′ is perpendicular to EF. b E′F′ and EF are equal in length. c E′F′ is half the length of EF. d E′F′ is greater than twice the length of EF.