In the given figure, DE||BC. AB = 15, cm, BD = 6cm, AC = 25 cm, then AE is equal to
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As DE || BC, and angle A is common,
triangle ADE ~ triangle ABC.
AE = 8 cm, EC = 2 cm, AC = 8 + 2 = 10 cm
As the both triangles are similar,
Ratios of their respective sides are equal.
AE / AC = DE / BC
8 / 10 = DE / 6
DE = 48 / 10 = 4.8 cm
DE = 4.8 cm
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