CBSE Class 9 Answered
exam
Asked by | 25 Jul, 2009, 05:44: AM
Expert Answer
let ABC be an iso triangle with AB=AC
so angles B and C are equal.
Let the bisectors of angles B , C meet at O (say)
in triangles OBC, OCB,
we have
1/2[angle B]=1/2[angle C]... since B=C given
so
OBC=OCB
so
OB=OC...sides opp to equal angles are equal)
so bisectors are equal.
Answered by | 30 Jul, 2009, 08:19: AM
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