BD is one of the diagonals of the quadrilateral ABCD. AM and CN are the perpendiculars from A and C , respectively , on BD. show that ar(quadABCD)=1/2B.D.(AM+CN)

BD is one of the diagonals of the quadrilateral ABCD. AM and CN are the perpendiculars from A and C , respectively , on BD. show that ar(quadABCD)=1/2B.D.(AM+CN)

Matching exercise

Match the items on the right to the items on the left.

step 1

step 2

step 3