Q. 4 D4.8( 6 Votes )

In a ΔABC, AD is

Answer :

Given: AB = 5.6 cm, AC = 4 cm and DC = 3 cm

Since AD bisects A, we can apply angle-bisector theorem in ∆ABC,

Substituting given values, we get

BD = 4.2

Now, BC = BD + DC

BC = 4.2 + 3 = 7.2

Thus, BC is 7.2 cm.

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