The point `D` and `E` are situated on the sides `AB` and `AC` of `DeltaABC` in such a way that
Channel: Doubtnut
Date: 2020-05-09

The point `D` and `E` are situated on the sides `AB` and `AC` of `DeltaABC` in such a way that `DE||BC` and `AD : DB=3 :1`, If `EA=3.3cm`, then the length of `AC` is