Circle Definition & Meaning - Merriam-Webster
网页noun. cir· cle ˈsər-kəl. often attributive. Synonyms of circle. 1. a. : ring, halo. b. : a closed plane (see plane entry 6 sense 2b) curve every point of which is equidistant (see …
Circle - Wikipedia
网页A circle is a shape consisting of all points in a plane that are at a given distance from a given point, the centre. The distance between any point of the circle and the centre is called the radius. The length of a line segment connecting two points on the circle and passing through the centre is called the diameter.
What is a Circle? Definition, Formulas, Properties, Examples
网页A circle is a round-shaped figure that has no corners or edges. In geometry, a circle can be defined as a closed shape, two-dimensional shape, curved shape. A few things around us that are circular in shape are a car tire, a wall clock that tells time, and a lollipop.
Circle Calculator
网页2024年7月22日 · A circle is a planar closed curve made of a set of all the points that are at a given distance from a given point - the center. Alternately, you can define the circle as the locus of points at the same distance from a given fixed point. The name circle derives from Greek, meaning hoop or a ring.
Area of a Circle Calculator
网页The area of a circle calculator helps you compute the surface of a circle given a diameter or radius. Our tool works both ways — no matter if you're looking for an area-to-radius calculator or a radius to the area one, you've found the right place .
Circles - Formulas, Properties | What is a Circle? | Examples
网页A circle is a two-dimensional figure formed by a set of points that are at a fixed distance (radius) from a fixed point (center) on the plane. The fixed point is called the origin or center of the circle and the fixed distance of the points from the origin is called the radius.
Circle - Math is Fun
网页Definition. Circle: the set of all points on a plane that are a fixed distance from a center. Area. The area of a circle is π times the radius squared, which is written: A = π r 2. Where. A is the Area. r is the radius. To help you remember think "Pie Are Squared" (even though pies are usually round):
跳至内容