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Class work
Find the categories of lines. and u se the Cohen-Sutherland algorithm to clip the lines:
AB{(-6,2) (4,4)}, CD{(0,4) (6,2)}, EF{(-5,4) (1,8)}, GH{(6,-2)(0, -5)}
where Xmin = -4, Xmax = 3, Ymin = 2, Ymax = 7.