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प्रश्न
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
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उत्तर
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
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