Question

In triangle ABC, AD is the bisector of
angle A which meet BC at D. If BD = 4
cm, DC = 3 cm and AB = 6 cm, determine
the length of AC.​

Answer 1

In △ABC, AD is the bisector of ∠A.

∴

DC

BD

=

AC

AB

⇒

3

4

=

AC

6

⇒ 4AC=18

⇒ AC=

2

9

cm=4.5cm

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