In triangle ABC, DE || AB. If CD = 3 cm, EC = 4 cm, BE = 6 cm, then DA is equal to _____ .
In the following triangle, if CD = BE and EC = 3cm, then, BD is equal to ______cm.
If AB = 5 cm, BC = 6 cm, CD = 7 cm, DA = 6 cm and ∠ ABC= 60∘ are given, then can you draw a quadrilateral?
In a triangle ABC and DE parallel to BC , if AD= 1.5, AE=1cm and DB =3cm, find EC