Update index.html

Segment area calculator

Author: Gmac4247

index.html

@@ -3067,8 +3067,8 @@ <h3 itemprop="eduQuestionType" style="margin:7px">Area of a Circle Segment</h3>
 
         const ratio = (radius - height) / radius;
         const angle = Acos(ratio);
-        const chordLength = 2 * Math.sqrt(radius ** 2 - (radius - height) ** 2);
-        const area = segmentArea(chordLength, height, angle, radius);
+        const length = 2 * Math.sqrt(radius ** 2 - (radius - height) ** 2);
+        const area = segmentArea(length, height, angle, radius);
 
         document.getElementById('segment-area').innerText =
           `Area: ${area.toFixed(5)} square units`;