Difference between revisions of "1985 AIME Problems/Problem 4"

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== Problem ==
 
== Problem ==
 
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A small [[square (geometry) | square]] is constructed inside a square of [[area]] 1 by dividing each side of the unit square into <math>n</math> equal parts, and then connecting the [[vertex | vertices]] to the division points closest to the opposite vertices. Find the value of <math>n</math> if the the area of the small square is exactly <math>\frac1{1985}</math>.
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== Solution ==
 
== Solution ==
 
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{{solution}}
 
== See also ==
 
== See also ==
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* [[1985 AIME Problems/Problem 3 | Previous problem]]
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* [[1985 AIME Problems/Problem 5 | Next problem]]
 
* [[1985 AIME Problems]]
 
* [[1985 AIME Problems]]
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[[Category: Intermediate Geometry Problems]]

Revision as of 13:51, 18 November 2006

Problem

A small square is constructed inside a square of area 1 by dividing each side of the unit square into $n$ equal parts, and then connecting the vertices to the division points closest to the opposite vertices. Find the value of $n$ if the the area of the small square is exactly $\frac1{1985}$.


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Solution

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See also