Circumference pi, is represented by the Greek letter . The first few decimal digits of the numerical value of are 3.141592653589793 ... Pi is defined as the ratio of a circle's circumference to its diameter : Or, equivalently, as the ratio of the circumference to twice the radius. The above formula can be rearranged to solve for the circumference: The use of the mathematical constant is ubiquitous in mathematics, engineering, and science. In "Measurement of a Circle" written circa 250 BCE, Archimedes showed that this ratio (, since he did not use the name ) was greater than 3 but less
Straight from the Hart Straight from the Hart Straight from the Hart is a 2011 autobiography by Canadian professional wrestler Bruce Hart. The book chronicles Hart's childhood in Calgary as a member of the Albertan Hart wrestling family, his career in the wrestling industry to his later life as a trainer. It was published by ECW Press. The book is one of a long line of books by or about members of Hart's family. The book was first announced in May 2010. In March Hart was interviewed about the book on WDFN Wrestling Elite and Monday Night Mayhem. On Monday Night Mayhem Hart explained