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.
Daniel Carroll (July 22, 1730 â July 5, 1796) was a politician and one of the Founding Fathers of the United States.arroll was born in Upper Marlboro, county seat of Prince George's County, Maryland on July 22, 1730 to a wealthy family. He spent his early years at his family's home, a large estate of thousands of acres which his mother, Eleanor Darnall Carroll, had inherited.