Update index.html

Author: Gmac4247

index.html

@@ -99,7 +99,7 @@
 <meta name="theme-color" content="#000000">
 <script type="application/ld+json">
 {
-  "@context": "https://schema.org",
+  "@context": "http://schema.org",
   "@type": "webSite",
   "name": "Home of Basic Geometry",
  "about": {
@@ -186,7 +186,7 @@
   "telephone": "+36305075125",
   "url": "https://www.x.com/gmac4247"
 },
-"copyrightNotice": "All rights reserved." ,
+"copyrightNotice": "All rights reserved.",
 "copyrightYear": "2020",
 "creator": {
 "@type": "Person",
@@ -233,7 +233,7 @@
 "target": "https://basic-geometry.github.io",
   "mathExpression-input": "required square_side=5_Area=?",
   "mathExpression-output": "Area = side * side = side^2",
-   "about": "The area of a rectangle equals the multiplied product of its width and length. If those are equal, its area is the square value of its side length.",
+   "about": "The area of a rectangle is the product of its width and length. If those are equal, its area is the square value of its side length.",
 	"abstract": "A rectangle is a 2 dimensional plane shape with 2 perpendicular pairs of parallel straight sides. If those are equal that is a square.",
 	"educationalLevel": "basic",
 	"keywords": "width height, rectangle area, square area, geometry",
@@ -249,7 +249,7 @@
      "target": "https://basic-geometry.github.io",
           "mathExpression-input": "required cube_edge=5_Volume=?",
      "mathExpression-output": "Volume = edge * edge * edge = edge^3",  
-        "about": "The volume of a cuboid equals the multipled product of width, length and height. If those are equal, its volume equals the cubic value of its edge length.",
+        "about": "The volume of a cuboid is the product of width, length and height. If those are equal, its volume equals the cubic value of its edge length.",
   "abstract": "A cuboid is a 3 dimensional solid shape with 3 perpendicular pairs of parallel straight edges. If those are equal that is a cube.",
 	"educationalLevel": "basic",
 	"keywords": "width height length, cuboid volume, cube volume, geometry",
@@ -1106,7 +1106,7 @@ <h3 itemprop="name" style="margin:7px">Area of a Square</h3>
 A square is a rectangle with equal width and length.
 <br>
 <br>
-The area of a rectangle equals the multiplied product of its width and length.
+The area of a rectangle is the product of its width and length.
 <br>
 If the width of the rectangle is equal to its length, its area is the square value of its side length.
 </p>
@@ -1148,7 +1148,7 @@ <h3 itemprop="name" style="margin:7px">Volume of a Cube</h3>
 If those are equal that is a cube.
 <br>
 <br>
-The volume of a cuboid equals the multipled product of width, length and height. 
+The volume of a cuboid is the product of width, length and height. 
 <br>
 If those are equal, its volume equals the cubic value of its edge length. 
 <br>
@@ -1813,7 +1813,7 @@ <h3 itemprop="name" style="margin:7px">Area of a Triangle</h3>
 <p itemprop="description" style="margin:12px">The area of a triangle equals half of the area of a rectangle with a width equal to the base of the triangle and length equal to the height of the triangle.
 <br>
 <br>
-The base of a triangle multiplied by its height equals to a rectangle with twice the area of the triangle. 
+The base of a triangle multiplied by its height equals a rectangle with twice the area of the triangle. 
 <br>
 <br>
 The square root of half of the area of the rectangle is the side length of the theoretical square that has the same area as the triangle.