P is a point on side BC of a parallelogram ABCD. If DP produced meets AB produced at point L, prove that:
I)DP:PL=DC:BL
ii)DL:DP =AL:DC
In the adjoining figure ABCD is a parallelogram. āPā is a point on BC, DP and AB are produced meet at L. Prove that DP : PL = DC : BL.