Update index.html

Author: Gmac4247

index.html

@@ -4222,7 +4222,7 @@ <h3 itemprop="name" style="margin:12px">The other idea is the cube dissection.</
 <h3 itemprop="name" style="margin:7px">Volume of a Frustum Cone</h3>
 <br>
 <figure class="imgbox">
-    <img class="center-fit" src="frustumOfConeMarkup.png" alt="Subtracting the missing tip from a theoretical full cone gives the volume of a frustum cone. Volume = frustumHeight * (4 / 5 * bottomDiameter^2 * (1 / (1 - topDiameter / bottomDiameter)) - 4 / 5 * topDiameter^2 * (1 / (1 - topDiameter / bottomDiameter) - 1)) / √8"">
+    <img class="center-fit" src="frustumOfConeMarkup.png" alt="Subtracting the missing tip from a theoretical full cone gives the volume of a frustum cone. Volume = frustumHeight * (4 / 5 * bottomDiameter^2 * (1 / (1 - topDiameter / bottomDiameter)) - 4 / 5 * topDiameter^2 * (1 / (1 - topDiameter / bottomDiameter) - 1)) / √8">
     </figure>
 <br>
 <p itemprop="description" style="margin:12px"><strong>Subtracting the missing tip from a theoretical full cone gives the volume of a frustum cone.
@@ -4669,7 +4669,7 @@ <h3 itemprop="name" style="margin:7px">The volume of a square frustum pyramid ca
 <section itemscope itemtype="http://schema.org/CreativeWork" id="tetrahedron">
 <h3 itemprop="name" style="margin:7px">Volume of a Tetrahedron</h3>
 <br>
-<fogure class="imgbox">
+<figure class="imgbox">
   <img class="center-fit" src="tetrahedronMarkup.jpeg" alt="The volume of a tetrahedron is calculated as a pyramid with an equilateral triangle base and fixed proportions. Volume = edge³ / 8">
   </figure>
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