1. In the given figure, DEIIBC and AD : DB = 5 : 3, then what is the value of (DE/BC)?
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By: anil on 05 May 2019 01.47 am
Let AD = 5 and DB = 3 DE $$parallel$$ BC and thus $$ riangle$$ ADE $$sim$$ $$ riangle$$ ABC => $$frac{AD}{DE}=frac{AB}{BC}$$ => $$frac{DE}{BC}=frac{AD}{AD+DB}$$ => $$frac{DE}{BC}=frac{5}{5+3}$$ => $$frac{DE}{BC}=frac{5}{8}$$ => Ans - (A)
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