Number of triangles in a triangle

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    COUNTING NUMBER OF TRIANGLES IN THE GIVEN FIGURE

    Count Number of Triangles in Square, Rectangle and Quadrilateral

    Hint :

    If the given figure has only one square or rectangle, then the formula to find the number of triangles is

    Number of diagonals ⋅ Number of blocks

    If it has combination of more than one squares, we have to mark the spot where it joins.

    In the following examples you can see it in detail.

    Example 1 :

    Find the number of triangles in the picture given below

    Solution :

    Number of diagonals  =  2

    Number of blocks  =  4

    So, the number of triangles to be formed  =  4 ⋅ 2

      =  8

    Example 2 :

    Find the number of triangles in the picture given below

    Solution :

    Number of diagonals  =  2

    Number of blocks  =  8

    So, the number of triangles to be formed  =  2 ⋅ 8

      =  16

    Example 3 :

    Find the number of triangles in the picture given below

    Solution :

    In each squares, we have two diagonals each.

    Number of diagonals  =  2

    Number of blocks&#

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