ABCD is a rectangle of area 72 square units. Rectangles have special properties that can be very useful in helping you solve a problem. 26. . 5 sin 2 u). 5 sin 2 u). 2 square-metres. . ⇒ So, AC = BD We can also write it as, ⇒ 2×OA=2×OD ⇒ 2×(2x+4) =2×(3x+1) ⇒ 2x+4=3x+1 ∴ x=3 Was this answer helpful? 0 0 Similar questions. 1: What are the 4 properties of a quadrilateral ? Ans: A quadrilateral is a two-dimensional closed figure having four arms or edges or sides. C A 10 Which sequence of reflections will map rectangle ABCD onto itself? a reflection over the x-axis.