In $ riangle ABC$, $AD$ bisects $\angle A$, meets $BC$ at $D$. If $AB = 7$, $AC = 5$, $BC = 12$, then $BD = ?$

Question

In $	riangle ABC$, $AD$ bisects $\angle A$, meets $BC$ at $D$. If $AB = 7$, $AC = 5$, $BC = 12$, then $BD = ?$

Accepted Answer

$7$

Answer

$5$

Answer

$6$

Answer

$\dfrac{12 \cdot 7}{5}$

In △ABC\triangle ABC△ABC, ADADAD bisects ∠A\angle A∠A, meets BCBCBC at DDD. If AB=7AB = 7AB=7, AC=5AC = 5AC=5, BC=12BC = 12BC=12, then BD=?BD = ?BD=?