Determine whether seg AD is the bisector of angle A of triangle ABC, if AB =5 AC=12 BD=6& DC=7.
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AB/AC=5/12
BD/DC=6/7
both are not equal therefore
by converse of angle bisector theorem
AD is not the bisector of angleA
BD/DC=6/7
both are not equal therefore
by converse of angle bisector theorem
AD is not the bisector of angleA
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