If a line is perpendicular to the to the x axis, then it is a horizontal line. All horizontal lines can be written in the form of y = (a number). That number can be found as the y-coordinate in the ordered pair given.
75.4 12 would be considered the radius C = 2 pi R so just insert that into the formula and the answer should be 75.39 but if you round up it would be 75.4
