The Area Measurement Annotation is used to calculate the area of a given shape. Once placed measurements can be modified by dragging any of the vertices on the measurement and the values will be updated as well.
To access the Area properties right click (Mac: Ctrl + Click) on the annotation and choose Properties in the mouse menu or click on the edit button on the Mini Toolbar. The Area measurement contains the following property settings.
Line Width - Sets the width of the line
Style - Sets the style for the line (i.e. dotted, dashed, cloud, etc...)
Color - Sets the color of the line
Transparency - Sets the transparency of the measurement
Fill Color - Sets the fill color of the area annotation
Note / Comment - Contains two fields. The first is a comment field that allows you to add an additional comment to the measurement if needed. The second is the measurement value and can not be edited.
Save as default - When checked this will make the selected appearance settings the default for any new Area annotations going forward
Locked - When checked prevents the following on the annotation: being moved or resized, editing appearance properties, & deleting the annotation.
Author - Allows you to edit the author
Subject - Allows you to edit the subject
Layer - Only available when the document contains layers. Sets the layer that the annotation belongs to. For more information see Assigning Comments to Layers
This tab will display and changes to the review status of the annotation including Author, Status, and Timestamp. For more details see Setting Status or Check Marks on Annotations