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- DictionaryCir·cle/ˈsərk(ə)l/
noun
- 1. a round plane figure whose boundary (the circumference) consists of points equidistant from a fixed point (the center): "draw a circle with a compass"
- 2. a group of people with shared professions, interests, or acquaintances: "she did not normally move in such exalted circles"
verb
- 1. move all the way around (someone or something), especially more than once: "we circled around the island"
What is a basic definition of circle? In geometry, a circle is a perfectly round shape—meaning any point around its curve is the same distance from its central point. Circle commonly refers to anything that’s approximately shaped like this, even if it’s not a perfect circle in geometric terms.
a group of people with family, work, or social connections: They socialize with a small circle of people. She was a member of the inner circle of decision-makers within the organization. See also. circle of friends. family circle. move in different circles. (US also run in different circles)
Learn. Proof: Radius is perpendicular to tangent line. Determining tangent lines: angles. Determining tangent lines: lengths. Proof: Segments tangent to circle from outside point are congruent. Tangents of circles problem (example 1) Tangents of circles problem (example 2) Tangents of circles problem (example 3) Challenge problems: radius ...
noun. a closed plane curve consisting of all points at a given distance from a point within it called the center. Equation: x2 + y2 = r2. the portion of a plane bounded by such a curve. any circular or ringlike object, formation, or arrangement: a circle of dancers. a ring, circlet, or crown. the ring of a circus.
4 days ago · A circle is a shape consisting of a curved line completely surrounding an area. Every part of the line is the same distance from the centre of the area. The flag was red, with a large white circle in the centre. I wrote down the number 46 and drew a circle around it. Synonyms: ring, round, band, disc More Synonyms of circle. 2. countable noun.
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):
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.
