In a `DeltaABC,` the bisectors of `angleBandangleC` intersect each other point O. Prove that `angleBOC=90^(@)+(1)/(2)angleA`.

In DeltaABC , the bisectors of angleB and angleC intersect each other at O. Prove that. angleBOC=90^(@)+(1)/(2)angleA .

In DeltaABC , bisectors of angleB and angleC interesct each other at point O. Prove that angleBOC=90^(@)+(1)/(2)angleA i.e., angle1 =90^(@)+(1)/(2)

In DeltaABC , bisectors of angleB and angleC interesct each other at point O. Prove that angleBOC=90^(@)+(1)/(2)angleA i.e., angle1 =90^(@)+(1)/(2)

In DeltaABC , bisectors of angleB and angleC interesct each other at point O. Prove that angleBOC=90^(@)+(1)/(2)angleA i.e., angle1 =90^(@)+(1)/(2) A

In a DeltaABC, the bisectors of angleBandangleC intersect each other point O. Then angleBOC is ?

In a parallelogram ABCD, the bisectors of angleA and angleB intersect each other at point P. Prove that angleAPB=90^(@).

In a parallelogram ABCD, the bisectors of angleA and angleB intersect each other at point P. Prove that angleAPB=90^(@).

In DeltaABC,AB=AC and the bisectors of angles B and C intersect at point O. Prove that BO=OC

In the given Fig , Sides AB and AC of a DeltaABC are produced to E and D respectively. If respective bisectors BO and CO of angleCBE and angleBCD intersect each other at point O, prove that angleBOC = 90^@-1/2 angleBAC .

In the given Fig , Sides AB and AC of a DeltaABC are produced to E and D respectively. If respective bisectors BO and CO of angleCBE and angleBCD intersect each other at point O, prove that angleBOC = 90^@-1/2 angleBAC .