<a name="geometry.reference.strategies.strategy_area_spherical"></a><a class="link" href="strategy_area_spherical.html" title="strategy::area::spherical">strategy::area::spherical</a>
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<p>
- <a class="indexterm" name="idm46716117853440"></a><a class="indexterm" name="idm46716117852752"></a><a class="indexterm" name="idm46716117852064"></a>
+ <a class="indexterm" name="idm46186975499104"></a><a class="indexterm" name="idm46186975498416"></a><a class="indexterm" name="idm46186975497728"></a>
Spherical area calculation.
</p>
<h6>