Area of a circle
id:
area-of-a-circle-168-7776140
title:
Area of a circle
text:
In geometry, the area enclosed by a circle of radius r is πr. Here the Greek letter π represents the constant ratio of the circumference of any circle to its diameter, approximately equal to 3.14159. One method of deriving this formula, which originated with Archimedes, involves viewing the circle as the limit of a sequence of regular polygons with an increasing number of sides. The area of a regular polygon is half its perimeter multiplied by the distance from its center to its sides, and beca
brand slug:
wiki
category slug:
encyclopedia
description:
Concept in geometry
original url:
https://en.wikipedia.org/wiki/Area_of_a_circle
date created:
2005-05-16T21:38:12Z
date modified:
2024-08-31T01:06:45Z
main entity:
{"identifier":"Q4115331","url":"https://www.wikidata.org/entity/Q4115331"}
image:
fields total:
13
integrity:
15