D and E are respectively the points on the sides AB and AC of triangle ABC such that AD = 3 cm, BD = 5 cm, BC = 12.8 cm and DE∥BC. Then, length of DE (in cm) is.
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In Δ ABC, D and E are points on AB and AC , DE || BC and AD = 2.4 cm, AE = 3.2 cm, DE = 2 cm and BE = 5 cm. Hence,BD = 3.6 cm and CE = 4.8 cm. This discussion on D and E are respectively the points on the sides AB and AC of a triangle ABC such that AD = 3 cm, BD = 5 cm, BC = 12.8 cm and DE || BC.
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