The area of the rectangle is 42 dm2. What is the length of the rectangle if its length is 6 dm?

The area of a rectangle is calculated as the product of its length and width. Since we know the area of the rectangle and one of its sides, therefore, we can calculate the length of the other side:

42: 6 = 7 dm.

Answer: The length of the side of the rectangle is 7 dm.

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