Math, asked by PranaySaraswat, 2 months ago

How many squares are there on chess board?

Answers

Answered by ribhutripathi18116
1

No of ways to select horizontal lines is 2 from 9 = C(9, 2)

No of ways to select vertical lines is 2 from 9 = C(9, 2)

∵ Both are taken correspondingly

∴ Total no of rectangles = [C(9, 2)]² = [9! / 7! 2!]² = (36)² = 1296

Answered by ramzanbushra747
1

Answer:

there are 64 square in chess board.

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