Difference between revisions of "1981 USAMO Problems/Problem 1"

(Created page with "== Problem == Prove that if <math>n</math> is not a multiple of <math>3</math>, then the angle <math>\frac{\pi}{n}</math> can be trisected with ruler and compasses. == Solution...")
 
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== See Also ==
 
== See Also ==
 
{{USAMO box|year=1981|before=First Question|num-a=2}}
 
{{USAMO box|year=1981|before=First Question|num-a=2}}
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[[Category:Olympiad Geometry Problems]]
 
[[Category:Olympiad Geometry Problems]]

Revision as of 19:11, 3 July 2013

Problem

Prove that if $n$ is not a multiple of $3$, then the angle $\frac{\pi}{n}$ can be trisected with ruler and compasses.

Solution

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See Also

1981 USAMO (ProblemsResources)
Preceded by
First Question
Followed by
Problem 2
1 2 3 4 5
All USAMO Problems and Solutions

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