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Check whether AD is the bisector of ∠A of ΔABC in each of the following: AB = 5 cm, AC = 10 cm, BD = 1.5 cm and CD = 3.5 cm

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Question taken from RD sharma
Class 10th
Chapter no. 4
Chapter name:- Triangles
Exercise :- 4.3
This is very basic and important questions.

In this question ques we have been given the measure of sides of triangle ABzC and we have to to find out if AD is Angle bisector of A or not.

Understanding and learning CBSE maths
RD sharma, DHANPAT RAI publication

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1 Answer

  1. AB=5cm

    AC=10cm

    BD=1.5cm

    CD=3.5cm
     
    ACAB=105=0.5 (1)
     
    CDBD=3.51.50.43 (2)

     
    (1)=(2)
     
    Hence AD is not the bisector of A of  ABC

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