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Select the options that you want, and then select OK
Measure the height, width, or area of objects Use the measuring tools to measure distances and areas of objects in PDF documentsThe measuring tools are useful for showing the distances and areas associated with objects in a form or computer-aided design (CAD) drawing
You can also use these tools to measure certain areas of a document before sending it to a professional printerThe measuring tools are available to Acrobat Reader users only if the PDF creator enables measuring functionalityWhen you use a measuring tool, the Measurement Info panel shows information about the measurement, such as current measurement, delta values, and scale ratio
Acrobat inserts comments with the values calculated for distance, perimeter, or areaMeasuring tools in Acrobat Measuring tools A
Measuring toolbar B
Object being measured CClick again to sort in reverse order
To specify a target folder for output files and filename preferences, click Output OptionsSpecify the options as needed, and then click OK
Once you have added and arranged the files as needed, click OKThen, in the Add Header And Footer dialog box, click to place the insertion point in the appropriate box
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Source:pdf to doc