As shown in the figure, the four sides of the rhombus are all equal to 52, the diagonal are perpendicular to each other, and the shorter one is 40 in length. What is the shadow area?
-
数学PS
-
As shown in the figure, the four sides of the rhombus are all equal to 52, the diagonal are perpendicular to each other, and the shorter one is 40 in length. What is the shadow area?
显示答案
正确答案: B