<prompt> Angular vein is formed by:Superficial temporal and supratrochlear veinSuperficial temporal and supraorbital veinRetromandibular and supratrochlear veinSupraorbital and supratrochlear vein  <response>: The supratrochlear and supraorbital veins unite at the medial angle of the eye forming the angular vein which continues down as the facial vein. 