The sides of a square region, measured to the nearest centimeters, are 6 centimeters long.The least possible value of the actual area of the 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
答案选D。不明白为什么不是E,解题思路应该是怎样的?
The least possible value of the actual area of the square region: 翻译这样会通顺一点