As is shown in the following picture ,the side length of the square is 4cm.What is the area of ..As is shown in the following picture ,the side length of the square is 4cm.What is the area of the shaded part?翻译!快!
问题描述：
As is shown in the following picture ,the side length of the square is 4cm.What is the area of ..
As is shown in the following picture ,the side length of the square is 4cm.What is the area of the shaded part?
翻译!快!
答
如图所示,正方形的边长为4厘米.阴影部分的面积是多少?