Math

The side of a rectangle are increased by a scale factor for the perimeter of the smaller rectangle is 20 cm what is the perimeter of the larger rectangle.please help eneone !!!!!!!

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  1. Since perimeter is directly proportional to the lengths of the sides of the rectangle,
    it will have the same scale factor. Use this to determine your answer.

    I find it hard to understand your gibberish sentence.

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