Update about.html

Math

Author: Gmac4247

about.html

@@ -519,12 +519,13 @@ <h3 style="font-size:160%;margin:7px;">Volume of a pyramid</h3>
 <br>
 One is that the area of the mid-height cross section of a regular pyramid - of which's apex can be connected to the midpoint of the base with a perpendicular line - is exactly a quarter of a circumscribed solid's with the same base and height. 
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-That makes the ratio between the mid-height cross-sectional area of the pyramid, and the difference between the mid-height cross-sectional areas of the circumscribed solid and the pyramid 
+That makes the ratio between the mid-height cross-sectional area of the pyramid, and the difference between the mid-height cross-sectional areas of the circumscribed solid and the pyramid 1 : 3 .
 </p>
 <br>
 <math style="margin:12px;" xmlns="http://www.w3.org/1998/Math/MathML" >
 <mrow>
 <mrow>
+<mrow>
 <mo>(</mo>
 <mfrac>
 <mn>1</mn>
@@ -545,12 +546,8 @@ <h3 style="font-size:160%;margin:7px;">Volume of a pyramid</h3>
 </mrow>
 <mo>)</mo>
 </mrow>
-<mo>=</mo>
 </mrow>
-</math>
-<br>
-<br>
-<math style="margin:12px;" xmlns="http://www.w3.org/1998/Math/MathML" >
+<mo>=</mo>
 <mrow>
 <mrow>
 <mo>(</mo>
@@ -578,12 +575,8 @@ <h3 style="font-size:160%;margin:7px;">Volume of a pyramid</h3>
 </mrow>
 <mo>)</mo>
 </mrow>
-<mo>=</mo>
 </mrow>
-</math>
-<br>
-<br>
-<math style="margin:12px;" xmlns="http://www.w3.org/1998/Math/MathML" >
+<mo>=</mo>
 <mrow>
 <mrow>
 <mo>(</mo>
@@ -602,17 +595,17 @@ <h3 style="font-size:160%;margin:7px;">Volume of a pyramid</h3>
 </mfrac>
 <mo>)</mo>
 </mrow>
+</mrow>
 <mo>=</mo>
+<mrow>
+<mn>1</mn>
+<mo>:</mo>
+<mn>3</mn>
+</mrow>
 </mrow>
 </math>
 <br>
 <br>
-<p style="margin:12px;">1 : 3 
-<br>
-<br>
-. 
-</p>
-<br>
 <p style="margin:12px;">That is a logical consequence of its equilateral triangular cross-section.
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