Update index.html

Triangle area

Author: Gmac4247

index.html

@@ -113,7 +113,7 @@
 </div>
 <main itemscope itemtype="https://schema.org/LearningResource https://schema.org/MathSolver" id="cgs">
 <meta itemprop="name" content="Core Geometric System ™">
-<meta itemprop="dateModified" content="2026-08-24T23:10:29+02:00">
+<meta itemprop="dateModified" content="2026-08-25T14:43:29+02:00">
 <meta itemprop="accessMode" content="mathOnVisual">
 <meta itemprop="accessMode" content="textual">
 <meta itemprop="accessMode" content="visual">
@@ -2687,7 +2687,7 @@ <h3 style="margin:7px" itemprop="name">Area of a Triangle</h3>
 </div>
 <div style="margin:12px" itemprop="result" itemscope itemtype="https://schema.org/DefinedTerm">
 <meta itemprop="name" content="Area of a triangle">
-<span itemprop="description">The area of a triangle equals half of the circumscribed rectangle.</span>
+<span itemprop="description">The area of a triangle equals half of the rectangle formed by its base and height.</span>
 <br><br><br>
 <div itemprop="identifier" itemscope itemtype="https://schema.org/PropertyValue">
 <span itemprop="name">A<sub>triangle</sub> </span>=
@@ -2889,6 +2889,7 @@ <h3 itemprop="name" style="margin:7px">Area of a regular Polygon</h3>
 <meta itemprop="name" content="Area of a triangle">
 <meta itemprop="value" content="base × height / 2">
 <meta itemprop="description" content="Universally applicable formula to calculate the exact physical area of a triangle in terms of its base, and height.">
+<meta itemprop="description" content="The area of a triangle equals half of the rectangle formed by its base and height.">
 </div>
 </div>
 <meta itemprop="totalTime" content="PT30M">
@@ -3116,12 +3117,14 @@ <h3 itemprop="name" style="margin:7px">Area of a Circle Segment</h3>
 </div>
 </div>
 <div itemprop="tool" itemscope itemtype="https://schema.org/HowToTool">
+<div itemprop="tool" itemscope itemtype="https://schema.org/HowToTool">
 <meta itemprop="name" content="Triangle area formula">
 <meta itemprop="description" content="Exact, physical area of a triangle">
 <div itemprop="item" itemscope itemtype="https://schema.org/PropertyValue">
 <meta itemprop="name" content="Area of a triangle">
 <meta itemprop="value" content="base × height / 2">
 <meta itemprop="description" content="Universally applicable formula to calculate the exact physical area of a triangle in terms of its base, and height.">
+<meta itemprop="description" content="The area of a triangle equals half of the rectangle formed by its base and height.">
 </div>
 </div>
 <meta itemprop="totalTime" content="PT30M">
@@ -6760,6 +6763,7 @@ <h3 itemprop="name">Disclaimer</h3>
 <meta itemprop="name" content="Area of a triangle">
 <meta itemprop="value" content="base × height / 2">
 <meta itemprop="description" content="Universally applicable formula to calculate the exact physical area of a triangle in terms of its base, and height.">
+<meta itemprop="description" content="The area of a triangle equals half of the rectangle formed by its base and height.">
 </div>
 </div>
 <div itemprop="hasDefinedTerm" itemscope itemtype="https://schema.org/DefinedTerm">