Use a protractor to get an correct angle measurement. Include an additional 2-three inches for the width of every segment to allow for the blinds to overlap and provide greatest coverage.??? ???? ? ???? ?? ?? ????? ????? ???? ?? ?? ??? ????? ? ??????? . ?? ?? ?? ?? ???? ?? ???? ? ?????? ???? . ???? ???? ?? ?????? ???? .# ??? ?? ??? ?? ?? ??? ??? ??