Aiden claims that the diagonals of an isosceles trapezoid are always congruent but he provides no evidence to back up his claim Using evidence and geometric postulates prove that the diagonals of a trapezoid are congruent C B A D Given Isosceles Trapezoid ABCD Prove AC BD Statement ABCD is an Isosceles Trapezoid AB DC ZBAD LCDA AD AD ABADA CDA TO D Select Select Select Select Select Select Reason O