Update about.html

Author: Gmac4247

about.html

@@ -196,6 +196,8 @@
 "image": [
 	"equityFigure.jpg",
 	"cubeDissection.jpeg",
+	"sphereAndConeMarkup.jpeg",
+	"conePyramidVolumeMarkup.jpeg",
 	"sphereSurface.jpeg"
 	],
 "inLanguage": "en",
@@ -1078,7 +1080,9 @@ <h1 style="font-size:160%;margin:7px;">How Accurate Are The Conventional Geometr
 The people deserve better than an irrational approximation if an exact calculation is available.
 <br>
 <br>
-That makes sin( π / 2 ) < 1 . That's an aspect of this.
+That makes the arc value of 360° = 6.4radians and sin( π / 2 ) < 1 . 
+<br>
+These are two aspects of that.
 </p>
 </div>
 <br>