Adjacent sides of a parallelogram are equal and one of the diagonals are equal to any one of the sides of this parallelogram. Show that its diagonals are in the ratio : 30.5 : 1 ( 30.5 = square root of 3) Share with your friends Share 0 Shruti Tyagi answered this Dear student, Thus, diagonals are in the ratio 3:1 Regards 0 View Full Answer