what is rhombus ? Share with your friends Share 1 Aakash Sharma answered this A rhombus is a parallelogram whose all four sides equal and diagonals bisect each other at right angle.ABCD is a rhombus. Therefore, AB = BC = CD = DA.AE = EC, DE = BE and ∠AEB =∠BEC =∠CED =∠AED = 90° 3 View Full Answer Amith Raji answered this rhombus is simply a sqare with opposite side equal and parellel and angle b/w any two adjacent sides is not 90 ! 0 Supercoool Tiwari answered this rhombus is simply a square or a II gm with all its sides equal and parellel and all angles are equal but two adjacent sides is not 90 0