How to find the gradient of the line segment joining each pair points? (1,3) (7,-1)

(6,1) (2,5)

(4,5) (-5,-7)

(-2,2) (2,8)

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv