The area of a shape is the amount of space it can occupy.
<em>The number of isosceles triangle in the grid is: </em><em />
The dimension of the grid is given as:
Calculate the area
The area of each isosceles triangle is given as:
The number (n) of the triangle in an x-by-x grid is:
So, we have:
Express as products
Hence, the number of isosceles triangle in the grid is:
Read more about areas at: