Difference between revisions of "User:Aops-g5-gethsemanea2/AoPS Wiki"

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* [[User:Aops-g5-gethsemanea2/Wiki Math Games|Wiki Math Games]]
 
* [[User:Aops-g5-gethsemanea2/Wiki Math Games|Wiki Math Games]]
 
* [[User:Aops-g5-gethsemanea2|Main Page]]
 
* [[User:Aops-g5-gethsemanea2|Main Page]]
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* [[User talk:Aops-g5-gethsemanea2|Main Discussion]]
  
 
===Miscellaneous===
 
===Miscellaneous===

Revision as of 08:55, 9 August 2020



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Mathematics

Miscellaneous

Problem of the Week

2008 AMC 10B, Problem 14

Triangle $OAB$ has $O=(0,0)$, $B=(5,0)$, and $A$ in the first quadrant. In addition, $\angle ABO=90^\circ$ and $\angle AOB=30^\circ$. Suppose that $OA$ is rotated $90^\circ$ counterclockwise about $O$. What are the coordinates of the image of $A$?

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