Bold the volume formula link for cone

Author: Gmac4247

index.html

@@ -541,7 +541,7 @@ <h3 style="margin:7px">Key Points</h3>
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-<a style="margin:7px" href="#cone">Volume of a Cone = 3.2 × radius² × height / √8</a>
+<a style="margin:7px" href="#cone"><strong>Volume of a Cone = 3.2 × radius² × height / √8</strong></a>
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 <p style="margin:12px"><strong>Compared to an octant sphere through a quadrant cylinder.