in triangle ABC, DE ll BC. AD = 2cm, BD = 3cm, DE = 4cm. find BC. PLZ ANSWER FAST...NEED THE ANSWER URGENTLY. . ..THUMBS UP FOR SURE....
In triangle ABC,
DE IIBC (Given)
As we know that if a line drawn from any 2 sides of a triangle such that it is parallel to the third side then the third side will be half of the parallel line.
= 1/2 BC = DE
= BC = 2DC
= BC = 2* 4
= 8 cm
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