FG=AB GH=BC FI=AD IH=DC 3 x 5.5=FG 2 x 5.5=GH 3 x 5.5=FI 5 x 5.5=IH plug each into a calculator to find your lengths of each side of ABCD then to find perimeter it should be the sum which means you add all sides and don't forget to keep the inches part when you're done. Hope this helps good luck. :)
