Update about.html

Author: Gmac4247

about.html

@@ -516,11 +516,10 @@ <h2 style="font-size:160%;margin:7px;">Disapproval of the mathematical constant
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 <h3 style="font-size:160%;margin:7px;">Volume of a pyramid</h3>
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 <p style="margin:12px;">The commonly used base × height / 3 approximation for the volume of a pyramid was likely estimated based on two observations. 
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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 
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 <p style="margin:12px;">That is a logical consequence of its equilateral triangular cross-section.
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-The same is true for regular pyramids. 
+The same is true for a cone. 
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 Can this ratio can be generalized for the overall volume of any cone and pyramid? 
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 No. Because it's not true in case of most other shapes.
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 <p style="margin:12px;">The other idea is the cube dissection. 
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 <p style="margin:12px;">A common method aiming to prove the pyramid volume formula ( V = base × height / 3 ) involves dissecting a cube into three pyramids. Here’s how it’s typically presented:
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 Take a cube with an edge length of ( e ).
@@ -737,6 +735,7 @@ <h3 style="font-size:160%;margin:7px;">Volume of a pyramid</h3>
 Also it's not just about the vertices, but the edges and the inner faces, too.
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