How to find the width of a rectangle if only the length is known?

You cannot find the width of a rectangle if you only know the length, since there can be many different rectangles with the same length. To determine the width of a rectangle, information about its length is not enough. The width can be calculated from the length if the area or perimeter of the rectangle is also known. For example, knowing the area and length, you can find the width by the formula a = S / b. And knowing the perimeter and length, you can calculate the width by the formula a = (P – 2b) / 2.
Answer: no way, there is not enough data.



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