Question

In figure, DE||BC, AD=1 cm and BD=2cm,
Then ar( A ABC): ar ( A ADE)=?
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Answer 1

Answer:

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Answer 2

Answer:

HEY MATE THIS QUESTION IS FROM BPT THEOREM

Explanation:

In triangle ABC, DE||BC is given

:. by BPT, AD/BD=AE/CE=1/2

AB=AD+BD=1+2=3

:.AB/AD=3/1

also ABC~ADE

:. ar(ABC)/ar(ADE)=(3/1)^2=9/1

:.ar(ABC):ar(ADE)=9:1

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