alyssssssa alyssssssa 04-01-2021 Mathematics contestada How do we know that these two lines are perpendicular? y 4 3 G-2 |(-3, 2) (1, 2) x 4-3 -2 -1 1(3, 0) B (1, -4) Because the product of the slope of line G (M = 1/3) and th