Find the area of the figure. all angles in the figure are right angles. the figure has 6 sides. the top left corner to bottom left corner is 9 millimeters. the bottom left corner to bottom right corner is 9 millimeters. the bottom right to middle right is 5 millimeters. the middle right to middle middle is not marked. the middle middle to top middle is not marked. the top middle to top left is 3 millimeters. (1 point) 72 mm2 57 mm2 54 mm2 52 mm2