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.
Mr. Hancock said he had but one life, that he would lose it for his country was written as early as 1770, about John Hancock (1737-1793). Nathan Hale (June 6, 1755 â September 22, 1776) was a captain in the Continental Army during the American Revolutionary War.