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 Place Called Here never expecting to become missing herself as she discovers the world where everything which has ever been lost goes to, a place called Here. Jack goes on a search for Sandy believing that she is the key to finding his brother but learning more about her personal life than he should. Meanwhile, Sandy's possessions keeps getting lost from Here but found in this world. Something is bound to happen but the both of them have yet to know what it is. She was named Sandy because when she was born, her hair had the colour of sand. Although, they turned