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<a accesskey="3" href="page.php?w=parabolic_arch&amp;p=2">3.Next</a>
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<p>A <b>parabolic arch</b> is an <a href="page.php?w=arch">arch</a> in the shape of a <a href="page.php?w=parabola">parabola</a>. In structures, their curve represents an efficient method of load, and so can be found in bridges and in architecture in a variety of forms.</p>

<p><big>Description</big></p>
<p><big>The mathematics</big></p>
<p>While a parabolic arch may resemble a <a href="page.php?w=catenary_arch">catenary arch</a>, a <a href="page.php?w=parabolic_curve">parabola</a> is a <a href="page.php?w=quadratic_function">quadratic function</a> while a <a href="page.php?w=catenary">catenary</a></p><p>
<a accesskey="3" href="page.php?w=parabolic_arch&amp;p=2">3.Next</a>
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