The Golden Ratio is a mathematical ratio, represented by the Greek letter phi, found in art, architecture, and nature, and is thought to represent a classic, innate, harmony of measurement. Most plastic surgeons know this, and also know that most faces do not have the classic golden ratio measurements.
Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password. If you receive a prompt, click Yes to change the security. Select Restrict Editing And Printing Of The Document. All Adobe products enforce the restrictions set by the permissions password.
4. Click OK and confirm the passwords chosen.5. Type a name for your file, and click Save.6. Acrobat creates the protected PDF file. Tip: To learn how to restrict options in an existing PDF file, see Restrict others from editing your PDF file with Acrobat XI.To add other restrictions, see Protect your PDF file with permissions with Acrobat XI.. Click OK and confirm the passwords chosen.5. Type a name for your file, and click Save.6. Acrobat creates the protected PDF file. Tip: To learn how to restrict options in an existing PDF file, see Restrict others from editing your PDF file with Acrobat XI.