Difference between revisions of "1993 AIME Problems/Problem 15"

 
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== Problem ==
 
== Problem ==
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Let <math>\overline{CH}</math> be an altitude of <math>\triangle ABC</math>. Let <math>R\,</math> and <math>S\,</math> be the points where the circles inscribed in the triangles <math>ACH\,</math> and <math>BCH^{}_{}</math> are tangent to <math>\overline{CH}</math>. If <math>AB = 1995\,</math>, <math>AC = 1994\,</math>, and <math>BC = 1993\,</math>, then <math>RS\,</math> can be expressed as <math>m/n\,</math>, where <math>m\,</math> and <math>n\,</math> are relatively prime integers. Find <math>m + n\,</math>.
  
 
== Solution ==
 
== Solution ==
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{{solution}}
  
 
== See also ==
 
== See also ==
* [[1993 AIME Problems]]
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{{AIME box|year=1993|num-b=14|after=Last question}}

Revision as of 00:28, 26 March 2007

Problem

Let $\overline{CH}$ be an altitude of $\triangle ABC$. Let $R\,$ and $S\,$ be the points where the circles inscribed in the triangles $ACH\,$ and $BCH^{}_{}$ are tangent to $\overline{CH}$. If $AB = 1995\,$, $AC = 1994\,$, and $BC = 1993\,$, then $RS\,$ can be expressed as $m/n\,$, where $m\,$ and $n\,$ are relatively prime integers. Find $m + n\,$.

Solution

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See also

1993 AIME (ProblemsAnswer KeyResources)
Preceded by
Problem 14
Followed by
Last question
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All AIME Problems and Solutions