Update index.html

Author: Gmac4247

index.html

@@ -1492,7 +1492,7 @@ <h3 itemprop="name" style="margin:7px">Trigonometry</h3>
 <div>
 <h3 style="margin:7px" itemprop="eduQuestionType">Area of a Triangle</h3>
 <meta itemprop="target" content="https://basic-geometry.github.io?q={triangle_side1=3_side2=4_side3=5_area=?}">
-<div itemprop="result" itemscope itemtype="https://schema.org/MathSolver">
+<div itemprop="result" itemscope itemtype="https://schema.org/LearningResource">
 <meta itemprop="name" content="Triangle area formula">
 <meta itemprop="usageInfo" content="Either by base length and height, or perimeter">
 <br>
@@ -1519,6 +1519,7 @@ <h3 style="margin:7px" itemprop="eduQuestionType">Area of a Triangle</h3>
  </mrow>
 </math>
 </div>
+</div>
 <br><br>
 <div itemprop="result" itemscope itemtype="https://schema.org/LearningResource">
 <meta itemprop="name" content="Triangle area formula aka Heron's formula">