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in Triangles by (41.9k points)
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In ΔABC, DE || BC and AC = 5.6 cm, AE = 2.1 cm, then find AD : DB.

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In ΔABC DE || BC, 

AE = 2.1 cm 

EC = AC – AE 

= 5.6 – 2.1 = 3.5 cm 

As per B.P.T, 

AD : DB = AE : EC 

= 2.1 : 3.5 = 3:5

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