Triangle ABC is right angles at B. Internet bisectors of acute angles A and C meet at point I. Find the measure of angle AIC

ABC is a triangle in which /_A=72^(0), the internal bisectors of angles B and C meet in O. Find the magnitude of /_BOC.

ABC is a triangle in which /_A=72^(0), the internal bisectors of angles B and C meet in O.Find the magnitude of /_BOC

In a quadrilateral ABCD, angle D=60^(@) and angle C = 100^(@) . The bisectors of angle A and angle B meet at the point P. The measure of angle APB is

Triangle ABC is similar to triangle PQR. If bisector of angle BAC meets BC at point D and bisector of angle QPR meets QR at point M, prove that : (AB)/(PQ) = (AD)/(PM)

In a triangle ABC , the bisectors of angle B and angle C meets at point O. If angle BOC=142^@ then the measure angle A is: triangle ABC में, angle B तथा angle C के द्विभाजक O पर मिलते हैं | यदि angle BOC=142^@ है, तो angle A का माप ज्ञात करे |

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 ?

In triangle ABC, AB = AC and angle A = 36^(@) . The bisector of angle C intersects AB at D. Find the measures of required angles to prove that AD = BC