Update index.html

Author: Gmac4247

index.html

@@ -353,7 +353,6 @@
      "mathExpression-output": "baseArea * height / Math.sqrt(8)", 
      "abstract": "A regular pyramid is a 3 dimensional solid shape. Its measurable properties are its number and length of the sides of its base and its height. Its projections are polygon and triangle. Related shapes are regular polygon, regular polygon based block, tetrahedron, cone and triangle.",
 	"keywords": "base, height, volume",
-	
 	"image": [
        "conePyramidVolumeMarkup.jpeg",
        "tetraFrame.jpeg"
@@ -382,7 +381,7 @@
      "mathExpression-input": "required name=a=5_V=?",
      "mathExpression-output": "Math.pow(edge, 3) / 8", 
      "abstract": "A tetrahedron is a 3 dimensional solid shape. Its measurable property is its edge length. Its projections are triangle and triangle. Related shapes are triangle, regular polygon based pyramid and cone.",
-	"keywords": "radius, height, volume",
+	"keywords": "edge, length, volume",
 	"image": "tetrahedronMarkup.jpeg",
      "eduQuestionType": "Volume calculation"
    }