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<h2 id="define-segment-under-point"><a class="header" href="#define-segment-under-point">Define Segment under Point</a></h2>
<h2 id="segment-under-point"><a class="header" href="#segment-under-point">Segment under Point</a></h2>
<p><img src="overlay/extract/segment_under_point.svg" alt="Segment Under Point" /></p>
<p>To determine whether a segment <strong>AB</strong> is below a point <strong>P</strong>, one may be tempted to compute the value of y<sub>m</sub> at the point of intersection <strong>M</strong