Question

In a ∆ABC, AD is the bisector of ∠BAC. If AB = 8 cm, BD = 6 cm and DC = 3 cm. The length of the side AC is

पर्याय

• 6 cm

• 4 cm

• 3 cm

• 8 cm

Answer 1

4 cm

Explanation;

Hint:

Since AD is the bisector of ∠A

`"BD"/"DC" = "AB"/"AC"`

`6/3 = 8/"AC"`

AC = `(3 xx 8)/6`

= 4 cm