Geometry
Geometry is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space.
Philadelphia, Pennsylvania
Philadelphia is the largest city in Pennsylvania and the fifth-most-populous city in the United States.
According to the 2010 U.S. Census, the population of the city proper was 1,526,006. The Greater Philadelphia metropolitan area has a population of 6.1 million and is the country's fifth-largest metro area.
The city, which lies about 80 miles southwest of New York City, is also the nation's fourth-largest consumer media market, as ranked by the Nielsen Media Research.
A commercial, educational, and cultural center, Philadelphia was once the second-largest city in the British Empire (after London), and the social and geographical center of the original 13 American colonies. Source:
Wikipedia,
Philadelphia.
