AD is an altitude of an isosceles triangle ABC in which AB = AC. Show that, (i) AD bisects BC (ii) AD bisects `/_ A.`

AD is an altitude of an isosceles triangle ABC in which AB = AC . Show that , AD bisects BC

AD is an altitude of an isosceles triangle ABC in which AB = AC . Show that , AD bisects angle A .

DeltaABC is an isosceles triangle in which AB = AC. Side BA is produced to D such that AD = AB (see figure). Show that /_BCD is a right angle.

/_\ABC is an isosceles triangle with AB=AC. Draw AP _|_ BC to show that /_B=/_C

ABC is an isosceles triangle in which AB = AC. AD bisects exterior angle QAC and CD "||" BA as shown in the figure. Show that (i) angleDAC = angleBCA (ii) ABCD is a parallelogram

In an isosceles triangle ABC with AB = AC, D and E are points on BC such that BE = CD (see figure) Show that AD = AE

In an isosceles triangle ABC, with AB = AC, the bisectors of /_ B and /_ C intersect each other at O. Join A to O. Show that : (i) OB = OC (ii) AO bisects /_A

ABD is a Triangle right angle at A and AC bot BD . Show that (i) AB^2=BC.BD (ii) AD^2=BD.CD (iii) AC^2=BC.DC

ABD is a triangle right angled at A and ACbotBD .Showthat i) AB^2=BC*BD ii) AC^2=BC*DC iii) AD^2=BD*CD

AD and BC are equal and perpendiculars to a line segment AB. Show that CD bisects AB.