Trapezoid Perimeter Calculator Object Shape SelectCircleEllipseParallelogramPolygonRectangleRhombusSquareTrapezoidTriangle Measured In InchesFeetYardsMillimetresCentimetresMetresUnknown Radius Radius R1 Radius R2 Base Side Number Of Sides Length Length Width Length Any Side Length A Length B Length C Length D Length A Length B Length C Perimeter ? CalculateClear [ad#CW Content Banner]