You can edit dimensions by selecting the dimension and dragging the text or text line to change the offset or drag the start/end handles.
Drag text or test line to change the offset
Drag start or end handle to change dimension points
Using the Properties Panel
In addition you can use the dimensions property dialog in the properties panel.
X
The start or end X coordinate.
Y
The start or end Y coordinate.
Length
The length of the dimension
Offset
The distance the dimension is from the start/end points
Style
The style of the dimension.
Vertical
Horizontal
Angled
Markers
You can select the graphics markers for the ends of the dimension line.
Arrow
Slash
Square
None
TEXT
Enter an optional text label.
Display Value
Check to display numeric text for the distance.Flip
Check to flip text orientation
Not Flipped
