Difference between revisions of "1977 Canadian MO Problems/Problem 2"

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Let <math>\displaystyle O</math> be the center of a circle and <math>\displaystyle A</math> be a fixed interior point of the circle different from <math>\displaystyle O.</math> Determine all points <math>\displaystyle P</math> on the circumference of the circle such that the angle <math> \displaystyle OPA</math> is a maximum.  
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Let <math>O</math> be the center of a circle and <math>A</math> be a fixed interior point of the circle different from <math>O.</math> Determine all points <math>P</math> on the circumference of the circle such that the angle <math>OPA</math> is a maximum.  
  
 
[[Image:CanadianMO-1977-2.jpg]]
 
[[Image:CanadianMO-1977-2.jpg]]
  
 
== Solution ==
 
== Solution ==
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{{solution}}
  
 
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{{Old CanadaMO box|num-b=1|num-a=3|year=1977}}
== See Also ==
 
* [[1977 Canadian MO Problems]]
 
* [[1977 Canadian MO]]
 
  
  
 
[[Category:Olympiad Geometry Problems]]
 
[[Category:Olympiad Geometry Problems]]

Revision as of 21:49, 17 November 2007

Let $O$ be the center of a circle and $A$ be a fixed interior point of the circle different from $O.$ Determine all points $P$ on the circumference of the circle such that the angle $OPA$ is a maximum.

CanadianMO-1977-2.jpg

Solution

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1977 Canadian MO (Problems)
Preceded by
Problem 1
1 2 3 4 5 6 7 8 Followed by
Problem 3