in the figure below,if PQRU and URST are squares,what is the area of rectangular region PQRST?
问题描述:
in the figure below,if PQRU and URST are squares,what is the area of rectangular region PQRST?
答
在下图中,如果PQRU和URST是正方形的,那么PQRST 的面积是?