In an isosclees triangle ABC, with AB = AC, the bisectors of `angleB` and `angleC` intersect each other at O. Join A to O show that : OB=OC.

In an isosclees triangle ABC, with AB = AC, the bisectors of angleB and angleC intersect each other at O. Join A to O show that : AO bisects angleA .

ABC is an isosceles triangle with AB=AC draw APbotBC to show that angleB=angleC

In an isoseles triangle ABC . The bisectors of angleB and angleC meet at O if angle BOC = 140^(@) . What is the measure of angle A ?

ABC is an isosceles triangle with AB = AC. Draw AP bot BC to show that angle B = angle C .

AB and CD are two parallel chords of a circle and lines CA and DB intersect each other at O. Show that OA = OB.

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 .

ABC is an isosceles triangle with AB = AC and AD is one of its altitudes. Is angleB = angleC ? Why or why not?

ABCD is a trapezium in which AB II DC and its diagonals intersect each other at the point O. show that (AO)/(BO)=(CO)/(DO) .

In the figure AB and CD are two chords of a circle, intersecting each other at P such that AP = CP show thawt AB = CD.