To complete this task, we must first find the length value, knowing that it is 2 times the width, equal to 7.4 dm.
a = 7.4 * 2 = 14.8 dm.
The next step is to calculate the value of the area of the rectangle, knowing that its length is 14.8 dm and its width is 7.4 dm. To do this, we find the value of the product of these quantities.
S = 14.8 * 7.4 = 109.52 dm².
Answer: 109.52 dm².
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