Sir , I'm having confusion in proving that the sum of the interior angles of a concave quadrilateral is not equal to 360 degree. Thanks your's faithfully BISHAN

Asked by bishan goyal | 18th Oct, 2012, 02:11: PM

Expert Answer:

Answered by  | 18th Oct, 2012, 11:05: PM

Queries asked on Sunday & after 7pm from Monday to Saturday will be answered after 12pm the next working day.