Howard – See the (getangle) and (getorient) functions in the AutoLISP Manual.
You can obtain a rotation angle, using either a point, or by entering it in
the form "nnn" or "<nnn", like this:
(setq C1 (getpoint "\nPick START POINT: "))
(setq ang1 (getangle C1 "\nRotation angle: "))
-TonyT.