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  • No. of different squares of any size (side of square be natural no.) which can be made from a rectangle of size <img alt="15\times 8" src="http://entrancecorner.oncodecogs.com/gif.latex?15%5Ctimes%

No. of different squares of any size (side of square be natural no.) which can be made from a rectangle of size 15\times 8, is

Option: 1

456


Option: 2

-


Option: 3

-


Option: 4

-


Answers (1)

best_answer

 

Number of squares -

In a rectangle of n\times P, number of squares of any size is \sum_{r=1}^{n}(n+1-r)(P+1-r)

Here, maximum size of the square can be 8 \times8 

so required no. of the square be

  \sum_{r=1}^{8}(16-r)(9-r)

 =\sum_{r=1}^{8}r^{2}-25r+144=456

Posted by

Devendra Khairwa

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