q9y6vhj56d q9y6vhj56d 02-05-2021 Mathematics contestada The line AB is shown on the grid. 0% 6- a) Find the gradient of a line perpendicular to AB. 5- 3- b) Find the equation of the line perpendicular to AB and passing through the midpoint of AB. B В + Х -B LE 0 ab А 2-