SOLUTION: How many square whose area is 9cm square are needed to cover a region of a big square whose one of the sides is 18cm?

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Question 762175: How many square whose area is 9cm square are needed to cover a region of a big square whose one of the sides is 18cm?
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Area of big square = 18^2 = 324cm^2
324/9 = 36 squares required