Counting number of squares

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A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

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  • 1 Answer(s)

    11550

    Total number of rectangles and squares will be equal to: (Summation of row numbers) * (Summation of column numbers)
    = (1 + 2 + 3 +……+ 19 + 20) * (1 + 2 + 3 +……+ 9 + 10)
    = 210 * 55
    = 11550

    anikam Expert Answered on 22nd August 2015.
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