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How many rectangles and squares can be formed in a chessboard?

How many rectangles and squares can be formed in a chessboard?

Grade:12

1 Answers

Badiuddin askIITians.ismu Expert
148 Points
12 years ago

Dear avijit

in checss board we have 9 horizontal line and 9 verticle line

rectangle can be formed by taking two horizontal and two verticle line =9C29C2

 

and for number square =12 +22 +32 +42........+82


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