In ΔABC, AD bisects ∠A and intersects BC at D. If BC = a, AC = b and AB = c, then BD = ?

In ΔABC, AD bisects ∠A and intersects BC at D. If BC = a, AC = b an

1.	In ΔABC, AD bisects ∠A and intersects BC at D. If BC = a, AC = b and AB = c, then BD = ?
A.	ab/(b + c)
B.	bc/(c + a)
C.	ac/(b + c)
D.	ca/(a + b)
Answer» D. ca/(a + b)

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In ΔABC, AD bisects ∠A and intersects BC at D. If BC = a, AC = b and AB = c, then BD = ?

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