Update index.html

Author: Gmac4247

index.html

@@ -2294,7 +2294,6 @@ <h3 itemprop="name" style="margin:7px">Area of a Circle</h3>
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 </details>
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 <p itemprop="description" style="margin:12px">
 The area of both the square and the sum of the quadrants equals 16 right triangles with legs of a quarter, and a half of the square's sides, and its hypotenuse equal to the radius of the circle. 
 </p>
@@ -2348,6 +2347,7 @@ <h3 itemprop="name" style="margin:7px">Area of a Circle</h3>
 </script>
 <p style="margin:12px" id="circle-area"></p>
 </div>
+</section>
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