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.
Dennis Hale (vocalist) Dennis Hale (24 May, 1922 â 10 September, 1960), born Dennis Godfrey Hoare, was a vocalist with a number of bands and performers, including the Oscar Rabin Band, Jack Parnell, Johnny Douglas, Teddy Foster (1945 to 1946), and Eric Winstone (1946 to 1948). Dennis left the army in 1945 where he had been a Sergeant Major.