Area of a circle a formula for the surface area, we can use the same kind of “onion” approach we used for the disk. Area of a circle In geometry, the area enclosed by a circle of radius is . Here the Greek letter represents a constant, approximately equal to 3.14159, which is equal to the ratio of the circumference of any circle to its diameter. One method of deriving this formula, which originated with Archimedes, involves viewing the circle as the limit of a sequence of regular polygons. The area of a regular polygon is half its perimeter multiplied by the distance from
A Huge Ever Growing Pulsating Brain That Rules from the Centre of the Ultraworld A Huge Ever Growing Pulsating Brain That Rules from the Centre of the Ultraworld "A Huge Ever Growing Pulsating Brain That Rules from the Centre of the Ultraworld" is the debut single by the ambient house group The Orb. It was originally released in October 1989 and made the UK Singles Chart in 1990, peaking at #78. The 'Peel Session' version was also voted into #10 place in John Peel's 1990 Festive Fifty. In April 1991, it was released on the debut album "The Orb's Adventures Beyond the Ultraworld". The title is taken from a sound effects track from "Blake's