1592952553000 1312632483000 term-3188 1616541177870 1312632487000 1616290364688 adlib fitz-online adlib-term-3188 51bfbaf1-7272-3392-b21a-a9052b9a0221 2 1 scope note Plane figures having four angles and four sides. RHDEL2 reference term-3100 adlib-term-3100 ba22e52e-497f-3ad6-95e0-6376f9630a5e quadrilateral B.BM.BUE.BIQ.AXC.BCW.ALO.BIQ.AFU 1 code B.BM.BUE.BIQ.AXC.BCW.ALO.BIQ.AFU 1 quadrilaterals reference term-3106 adlib-term-3106 55aa93cb-8be7-3bb9-8a67-b2f09be65f3c polygons quadrilaterals term