Question

In the diagram of abc below, de bc, ad=3, db=2 and de=6

Answer 1

Answer:

Hey mate here is ur answer:)

I hope it makes ur concept more clear .'D

Since DE || BC,

. : AD/DB = AE/EC

⇒ AD/AB = AE/AC

Also, ∠DAE = ∠BAC (Common)

ΔADE ~ ΔABC (SAS Similarity Criterion)

⇒ AD/AB = DE/BC = AE/AC (Sides are proportional)

⇒ 3/5 = 6/BC

⇒ BC = 10 cm

Hope it helps u

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