How many square cards of the side 45cm can be out of a square cardboard sheet of side 315cm
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square card can be cut out of the sheet if side 315cm =area of sheet/area of square card
area of sheet=side×side
=315×315
=99225cm^2
area of square card =side×side
=45×45
=2025cm^2
number of cards can be cut out=99225/2025
=49 cards
area of sheet=side×side
=315×315
=99225cm^2
area of square card =side×side
=45×45
=2025cm^2
number of cards can be cut out=99225/2025
=49 cards
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