Question

if an isosceles triangle ABC, with AB = AC, the bisectors of B and ZC intersect each other at O. Join A to O . Show that: OB=OC AO bisects ZA


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Answer 1

Answer:

∠C=∠B ∣ Since angles opposite to equal sides are equal

⇒21∠B=21∠C

⇒∠OBC=∠OCB

⇒∠ABO=∠ACO    …(1)

⇒OB=OC ∣ Since sides opp. to equal ∠s are equal     …(2)

(ii) Now, in △ABO and △ACO, we have 

Answer 2

Answer:

This is the answer.

Hope it helps.