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<a accesskey="3" href="page.php?w=Nine-point_circle&amp;p=2">3.Next</a>
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<p>In <a href="page.php?w=geometry">geometry</a>, the <b>nine-point circle</b> is a <a href="page.php?w=circle">circle</a> that can be constructed for any given <a href="page.php?w=triangle">triangle</a>. It is so named because it passes through nine significant <a href="page.php?w=concyclic_points">concyclic points</a> defined from the triangle. These nine <a href="page.php?w=point_%28geometry%29">points</a> are:</p>

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* The <a href="page.php?w=midpoint">midpoint</a> of each side of the triangle<br/>
* The <a href="page.php?w=Perpendicular">foot</a></p><p>
<a accesskey="3" href="page.php?w=Nine-point_circle&amp;p=2">3.Next</a>
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