Update index.html

Structured data

Author: Gmac4247

index.html

@@ -5234,13 +5234,12 @@ <h3 itemprop="name" style="margin:7px">Calculate the Volume of a Tetrahedron</h3
 <figure class="imgbox" itemprop="image" itemscope itemtype="http://schema.org/ImageObject">
   <img class="center-fit" src="tetrahedron.jpeg" alt="Tetrahedron">
   </figure>
-<details>
 <summary><h4 itemprop="abstract" style="margin:12px">A tetrahedron is a pyramid with fixed proportions.</h4></summary>
-<p itemprop="abstract" style="margin:12px">It is bound by 4 equilateral triangles forming 6 equal edges.</p>
-<div>
-<p itemprop="description" style="margin:12px">The base is an equilateral triangle.</p>
+<p itemprop="description" style="margin:12px">It is bound by 4 equilateral triangles forming 6 equal edges.</p>
 <div style="margin:12px" itemprop="about" itemscope itemtype="https://schema.org/PropertyValue">
-<meta itemprop="description" content="Exact base area of a tetrahedron formula: Area = edge^2 × sqrt(3) / 4">
+<p itemprop="description" style="margin:12px">The base is an equilateral triangle.</p>
+<br>
+<meta itemprop="description" content="Base area of a tetrahedron: Exact equilateral triangle formula: Area = edge^2 × sqrt(3) / 4">
 <span itemprop="name">A<sub>(base)</sub> </span>=
 <span itemprop="value">
 <math xmlns="http://www.w3.org/1998/Math/MathML">
@@ -5273,9 +5272,7 @@ <h3 itemprop="name" style="margin:7px">Calculate the Volume of a Tetrahedron</h3
   </mrow>
 </math>
 </span>
-</div>
-<br><br>
-<div style="margin:12px"itemprop="description">
+<br>
 <p>Simplifying:</p>
 <br>
 <math xmlns="http://www.w3.org/1998/Math/MathML">
@@ -5310,9 +5307,7 @@ <h3 itemprop="name" style="margin:7px">Calculate the Volume of a Tetrahedron</h3
       </msqrt>
 </mrow>
 	</math>
-</div>
-<br><br>
-<div style="margin:12px" itemprop="description">
+<br>
 <p>Simplifying further:</p>
 <br>
 <math xmlns="http://www.w3.org/1998/Math/MathML">
@@ -5361,11 +5356,10 @@ <h3 itemprop="name" style="margin:7px">Calculate the Volume of a Tetrahedron</h3
 </mrow>
 </math>
 </div>
-<br><br>
-<div style="margin:12px" itemprop="description">
-<p>The height of the tetrahedron is also calculable via trigonometry.</p>
 <br>
-<div itemprop="about" itemscope itemtype="https://schema.org/PropertyValue">
+<div style="margin:12px" itemprop="about" itemscope itemtype="https://schema.org/PropertyValue">
+<p itemprop="description">The height of the tetrahedron is also calculable via trigonometry.</p>
+<br>
 <meta itemprop="description" content="Exact height of a tetrahedron formula: Height = sqrt( 2 / 3 ) × edge">
 <span itemprop="name">H </span>=
 <span itemprop="value">
@@ -5409,9 +5403,7 @@ <h3 itemprop="name" style="margin:7px">Calculate the Volume of a Tetrahedron</h3
    </mrow>
 </math>
 </span>
-</div>
-<br><br>
-<div style="margin:12px" itemprop="description">
+<br>
 <p>Simplifying:</p>
 <br>
 <math xmlns="http://www.w3.org/1998/Math/MathML">
@@ -5456,9 +5448,9 @@ <h3 itemprop="name" style="margin:7px">Calculate the Volume of a Tetrahedron</h3
    </mrow>
 </math>
 </div>
-<br><br>
-<div style="margin:12px" itemprop="description">
-<p>The volume of a pyramid equals base × height × √2 / 4 .</p>
+<br>
+<div style="margin:12px" itemprop="about" itemscope itemtype="https://schema.org/PropertyValue">
+<p itemprop="description">The volume of a pyramid equals base × height × √2 / 4 .</p>
 <br>
 <math xmlns="http://www.w3.org/1998/Math/MathML">
    <mrow>
@@ -5518,9 +5510,7 @@ <h3 itemprop="name" style="margin:7px">Calculate the Volume of a Tetrahedron</h3
     </msup>
    </mrow>
 </math>
-</div>
 <br>
-<div style="margin:12px" itemprop="about" itemscope itemtype="https://schema.org/PropertyValue">
 <meta itemprop="description" content="Exact tetrahedron volume formula: V = edge^3 / 8">
 <span itemprop="name">V<sub>(tetrahedron)</sub> </span>=
 <span itemprop="value">