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Question

In ABC, AB=3 cm, AC=4 cm and AD is the bisector of A. Then, BD:DC is
  1. 0.25

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Solution

The correct option is A 0.25


"Angle Bisector" Theorem says that an angle bisector of a triangle will divide the opposite side into two segments that are proportional to the other two sides of the triangle.

BDDC=ABAC=34

So, BD:DC=3:4=0.25


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