BD is one of the diagonals of a quad. ABCD. If `ALbotBD and CMbotBD`, show that `ar(\"quad. ABCD\"
Channel: Doubtnut
Date: 2020-01-03

BD is one of the diagonals of a quad. ABCD. If `ALbotBD and CMbotBD`, show that `ar(\"quad. ABCD\")=(1)/(2)xxBDxx(AL + CM)`.