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In the fig AE = 2 cm, BE =3cm, AC = 15cm
What's the value of AF?
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Answer:
First photo me Diagram hai.
Second photo me sum hai.
Step-by-step explanation:
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Answered by
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Step-by-step explanation:
In △ABC, DE is parallel to BC
Thus, DE divides the two sides AB and AC proportionally.
Thus,
AB
AD
=
AC
AE
Thus, △ABC∼△ADE
AD
AB
=
AE
AC
=
DE
BC
[C.S.C.T.]
Now,
AE
AC
=
DE
BC
⇒DE=
AC
AE×BC
⇒DE=
5
2×10
[ ∵AC=(AE+EC)=2+3=5]
⇒DE=4 cm
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