A pool maintenance technician has just calculated the dimensions of a rectangular pool to be 30 feet wide and 45 feet long. To verify these results against the project's requirement for a 150-foot perimeter, which calculation must the technician recall to perform the 'Check' step of the problem-solving process?
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A pool maintenance technician has just calculated the dimensions of a rectangular pool to be 30 feet wide and 45 feet long. To verify these results against the project's requirement for a 150-foot perimeter, which calculation must the technician recall to perform the 'Check' step of the problem-solving process?
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