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if you fold a square paper vertically, the new rectangle has a perimeter of 39cm. what is the area of the original square?

what is the perimeter of the original square?
what is the area of the resulting rectangle?
make a ratio of area and perimeter. what do you notice?

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1 answer
  1. area- 169
    perimeter 52
    area of rectangle- 84.5
    169:52= 3.25
    84.5: 39= 2.166666666

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