A rhombus is a parallelogram with four congruent sides, perpendicular diagonals, and the diagonals bisect a pair of opposite angles. A square is a parallelogram with all the properties of a rectangle and rhombus. RHOM is a rhombus. Find the unknown measures. (Treat each problem independently.) 5) If OB=2x+1 and BR = 3x-10, then OR = 6) If RM=18, then RH = OH= OM= 10 7) If m22=48", then mZMOH = M R 4 3 B 8 5 6