That is an important theorem in geometry: if two lines intersect to form adjacent congruent angles, then the lines are perpendicular. Those congruent angles would be right angâ¦les.
Williams later became chief surgeon of the Freedmenâs Hospital. Daniel Hale Williams III was born on January 18, 1856, in Hollidaysburg, Pennsylvania, to Sarah Price Williams and Daniel Hale Williams II. The couple had several children, with the elder Daniel H. Williams inheriting a barber business.
Nathan Hale â September, 1776. Who was Nathan Hale? What did he reportedly say prior to his death? New York â August, 1776. Colony Who won? People or groups involved. Details about what happened. Impact. Nathanael Greene. Who was Nathanael Greene, and why was he important to the . Continental Army? Trenton & Princeton â 1776-77. Colony Who won?