Problem 3:
In $\Delta ABC,\ \angle PAC=\angle PBC$. The perpendicular from $P$ to $BC$ and $CA$ meet these lines at $L$ and $M$ respectively. $D$ is the midpoint of $AB$. What is the value of $\frac {DL}{DM}$?
BdMO National Higher Secondary 2007/3
Re: BdMO National Higher Secondary 2007/3
Does this problem have enough info??
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- FahimFerdous
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Re: BdMO National Higher Secondary 2007/3
Yes, the problem has enough info. It's an IMO shortlist of 1982.
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- bristy1588
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Re: BdMO National Higher Secondary 2007/3
Yes, as long as the relation $\angle PAC=\angle PBC$ satisfies.
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