exam

Asked by  | 25th Jul, 2009, 05:48: AM

Expert Answer:

OB=OC

so

angle OBC=angle OCB.(since OB=OC)

SO

1/2[angle ABC]=1/2[angle ACB]..since OB,OC are bisectors

so

angle ABC= angle ACB

So

AB=AC

So triangle ABC is isoceles.

Answered by  | 29th Jul, 2009, 09:24: PM

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