In `Delta ABC`, the bisector of `angle B` meets AC at D. A line `OQ||AC` meets AB,BC and BD at P,Q and R respectively. Show that `BPxxQR=BQxxPR`.

In Delta ABC , the bisector of angle B meets AC at D. A line PQ||AC meets AB,BC and BD at P,Q and R respectively. Show that BPxxQR=BQxxPR .

In triangleABC the bisector of angleB meets AC at D. A line PQ||AC meets AB,BC and BD at P, Q and R respectively. show that PRxxBQ = QRxxBP .

In triangleABC the bisector of angleB meets AC at D. A line PQ||AC meets AB,BC and BD at P, Q and R respectively. show that PRxxBQ = QRxxBP .

In A B C , the bisector of /_B meets A C at D . A line PQ||AC meets A B , BC and BD at P ,Q and R respectively. Show that (i) PR*BQ=QR*BP (ii) AB*CQ=BC*AP

In DeltaABC, AB = AC and the bisectors of angleB and angleC meet AC and AB at point D and E respectively. Prove that BD = CE .

In DeltaABC, AB = AC and the bisectors of angleB and angleC meet AC and AB at point D and E respectively. Prove that BD = CE .

In Delta ABC , internal angle bisector of angle A meets side BC in D. DE bot AD meets AC in E and AB in F. Then

In a Delta ABC, the bisector of /_ACB and /_ABC meet at D. The perpendicular bisectors of DB and DC meet BC at E and F respectively.Show that the perimeter of DEF is equal to BC

In DeltaABC , AC > AB and bisector of angleA meets BC and D then angleADB is :