- Three vertices of a rectangle have coordinates (–3, 1), (7,1), and (7, –4). ... What are the coordinates of the fourth vertex of the rectangle? A. (–3, –4) B. (–3, –1) C. (7, –3) ... go straight down basically -3 there has to be two -3 for x coordinate and two 7 for y coordinate ... Mathematics; 5 points; 37 seconds ago.
