How should I choose the hight to oppacify my window so that my front neighbour can not see me naked?

or:How should I choose the hight to oppacify my window so that my front neighbour can not see me naked?or:Just close the curtains....or:Use those thi

or:How should I choose the hight to oppacify my window so that my front neighbour can not see me naked?

or:Just close the curtains....

or:Use those things called curtains.

Tags:naked,mathematics,