GWD数学题（2）

husky

The sides of a square region, measured to the nearest centimeter are 6 centimeters long.The least possible value of the actual area of the square region is?
A.  36.00    B.   35.00    C.  33.75       D.30.25     E. 25.00    GWD KEY     D

caicainiao

题目问可能的面积的最小值，边长四舍五入为6，最小边长是5.5，平方为30.25