In triangle ABC right angled at B, BD is perendicular to AC. If AB=6cm and AC=9cm find AD
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By Angle bisector theorem: which states that, the ratio of any 2 sides of a triangle is eaqual to the ratio of the lengths of the segments formed on its third side, by the angle bisector of the angle formed by those 2 sides.
So, here, AB/AC = BD/DC
=> 6/5 = 3 / DC
=> DC = 15/6 = 5/2 = 2.5 cm
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