It is 4 as in a square and a rhombus
12*6 = 72 square units
Some things that begin with the letter q are: quadra, quadragene, quadragenarian, quadrat, quadrangle, quadrant, quadrella, quadricentennial, quadricep, quadricorn, quadricycle, quadrifid, quadrilaterla, quadrille, quadrillion, quadriplegic, quadroon, quadruped, quadruplane, quadruplet, quadruplex, quadruply, quadrupole, quaff, quaffer, quag, quagga, quagmire, quahog, quaigh, quail, quaintise, quaintness, quair, quake, quaker, quale, qualification, quality, qualm, quame, quandary, quannet, quantity, quantometer, quantum, quarantine, quark, quarl, quarrel, quarry, quart, quartane, quarter, quarterback, quartet, quartile, quartz, quasar, queen, quenelle, querent, query, quest, question, questioner, quetzal, queue, quiche, quill, quilt, quint, quintessence, quintet, quintuplet, quisling, quirk, quiz, quorum, quota, quotation, quotient