The slope of CD is 4/3 which segments are perpendicular? JK, where J is at (1,-2) (1,-2) and K is at (10, - 14) (10, - 14) EF, where E is at (4, 1) (4, 1) and F is at (7, 5) (7, 5) LM, where L is at (-2, 3) (-2, 3) and M is at (-10, 9) (-10, 9) GF,
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