The 'Triangle' area consisting of Raleigh, Durham and Chapel Hill, comprise the points of a triangle when viewed on a map. The term was created in the 1950s by locals trying to lure businesses to Research Triangle Park (RTP).
The area dubbed the 'Triangle' in the 1950's is outlined by the base cities of Raleigh, Durham and Chapel Hill, which comprise the points of a triangle when viewed on a map. Back then, local dignitaries and businessmen were trying to lure businesses to Research Triangle Park (RTP) in the hopes of boosting the sagging local economy.