other thereby the angle of the hinged plates may be adjusted the hinged corner trowel establishes both sides of any angled corner at the same time for utilization on drywall or similar materials application_number US 24489008 A description fig1 6 show a hinged corner trowel 10 in accordance with a first embodiment of the invention a hinged corner trowel 10 may have a handle 13 with a threaded post 16 disposed thereon fig1 shows that the handle 13 may have a length l 1 of approximately 6 inches and a diameter d 1 of approximately 1 u00bc inches other dimensions may also be used as will be evident to those of ordinary skill in the art the handle 13 may be disposed between a pair of flat plates 19 22 which may be connected to each other at a hinge 25 plate 19 may include top edge 17 and bottom edge 18 and plate 22 may include top edge 21 and bottom edge 24 the plates 19 22 may be constructed of a 25 gauge steel or other suitable material the plates 19 22 may have an overall width w 1 of approximately 8 inches and a height h 1 at the hinge 25 of approximately 5 u00bd inches the top and bottom edges 17 18 21 24 of plates 19 and 22 may have a taper from the hinge 25 to their outer edges 15 27 respectively in a preferred embodiment of the invention the taper may be approximately 10 degrees from the hinge 25 to the outer edges.