A（15,3）and B(15,15) are two vertices of a square in the rectangle coordinate plane.
问题描述：
A（15,3）and B(15,15) are two vertices of a square in the rectangle coordinate plane.
Acoording to the above information ,how many squares can be drawn?
答
3个.
一个是以AB这条边为左边界的正方形,另一个是以这条边为右边界的正方形,最后一个是以这条边为对角线的正方形