To rotate points:
1. Click Edit
Points to enable point editing (if needed).
2. Click the
Rotate tool, or press R.
3. Select the points
you want to rotate, or select Edit > Select all to select all points.
4. Click and drag in a
circle around the selected points, or press Enter to enter the angle
manually. The points will be rotated about their common center.
Unless you want to rotate individual points, it's easier to rotate the
entire object instead. See Rotating Objects
for more information.
grid snap is enabled, points automatically snap to the grid as you rotate them.
Similarly, when angle snap is enabled, the rotation angle is an even multiple of
the angle snap amount. For more information, see Snap
Inserting & Deleting
Undoing and Redoing