The sides of a square region, measured to the nearest centimeter, are 6 centimeterslong. The least possible value of the actual area ofthe square region is A.36.00 sq cm B.35.00 sq cm C.33.75 sq cm D.30.25 sq cm E.25.00 sq cm 这题选C,是我理解不对吗 怎么想都觉得应该是D呢 。。