Circle vs. Sphere: Difference and Comparison
Edited by Muazma Batool — By Muneeza Rehman — Published on November 9, 2023
A circle is a flat, two-dimensional shape defined by all points equidistant from a center point, while a sphere is a three-dimensional round object where every point on its surface is equidistant from its center.
Difference Between Circle and Sphere
A circle represents one of the simplest shapes in two-dimensional geometry. It consists of a set of points on a plane that are equidistant from a fixed center point. A sphere, in contrast, belongs to the realm of three-dimensional geometry and comprises all the points in space equidistant from a central point.
Muazma Batool
Nov 09, 2023
While both circles and spheres exhibit symmetry around their central point, the nature of this symmetry differs. A circle exhibits rotational symmetry around its center in a plane, meaning that rotating it about its center doesn't change its appearance. On the other hand, a sphere showcases rotational symmetry in all directions around its center.
Muneeza Rehman
Nov 09, 2023
Drawing a circle requires only a compass or something round to trace around, resulting in a closed curve on a flat surface. To represent a sphere on paper or screen, one would often employ shading, perspective, or other visual cues since its true form occupies space and isn't entirely capture-able on a flat medium.
Muazma Batool
Nov 09, 2023
Another differentiating aspect of circles and spheres is their mathematical representation. Equations for circles in a Cartesian plane can be straightforward, typically resembling (x-a)^2 + (y-b)^2 = r^2, where (a,b) is the circle's center and r its radius. For spheres, the equation expands to accommodate three dimensions, often looking like (x-a)^2 + (y-b)^2 + (z-c)^2 = r^2, where (a,b,c) denotes the sphere's center.
Nolan
Nov 09, 2023
Circle vs. Sphere Comparison Chart
Circle vs. Sphere Definitions
◉Circle
A round plane figure with points equidistant from the center.
She drew a perfect circle on the board.
Elijah
Sep 15, 2023
◉Sphere
An area of knowledge, interest, or activity.
He is well-known in the political sphere.
William
Sep 15, 2023
◉Circle
A closed curve on a flat surface.
The kids sat in a circle during storytime.
Jonathan
Sep 15, 2023
◉Sphere
(Mathematics) A three-dimensional surface, all points of which are equidistant from a fixed point.
Muneeza Rehman
May 03, 2023
◉Circle
A group of people with shared interests or qualities.
He's not part of our social circle.
William
Sep 15, 2023
◉Circle
A set of activities that are repeatedly done in the same order.
The daily circle of chores seemed endless.
Elijah
Sep 15, 2023
◉Circle
A plane curve everywhere equidistant from a given fixed point, the center.
Muneeza Rehman
May 03, 2023
◉Sphere
The sky, appearing as a hemisphere to an observer
the sphere of the heavens.
Muneeza Rehman
May 03, 2023
◉Sphere
Any of a series of concentric, transparent, revolving globes that together were once thought to contain the moon, sun, planets, and stars.
Muneeza Rehman
May 03, 2023
◉Sphere
A range or extent of knowledge, interest, or activity
a problem that falls within the sphere of biophysics.
Muneeza Rehman
May 03, 2023
◉Circle
A circular or nearly circular course, circuit, or orbit:a satellite's circle around the earth.
Muneeza Rehman
May 03, 2023
◉Sphere
A social level or part of society or group
knew few people beyond his partner's sphere.
Muneeza Rehman
May 03, 2023
◉Circle
A series or process that finishes at its starting point or continuously repeats itself; a cycle.
Muneeza Rehman
May 03, 2023
◉Circle
A group of people sharing an interest, activity, or achievement:well-known in artistic circles.
Muneeza Rehman
May 03, 2023
◉Circle
A territorial or administrative division, especially of a province, in some European countries.
Muneeza Rehman
May 03, 2023
◉Sphere
(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter . Category:en:Surfaces
Muneeza Rehman
May 03, 2023
◉Sphere
The apparent outer limit of space; the edge of the heavens, imagined as a hollow globe within which celestial bodies appear to be embedded.
Muneeza Rehman
May 03, 2023
◉Sphere
Any of the concentric hollow transparent globes formerly believed to rotate around the Earth, and which carried the heavenly bodies; there were originally believed to be eight, and later nine and ten; friction between them was thought to cause a harmonious sound (the music of the spheres).
Muneeza Rehman
May 03, 2023
◉Sphere
(mythology) An area of activity for a planet; or by extension, an area of influence for a god, hero etc.
Muneeza Rehman
May 03, 2023
◉Sphere
(figuratively) The region in which something or someone is active; one's province, domain.
Muneeza Rehman
May 03, 2023
◉Circle
(geometry) A two-dimensional geometric figure, a line, consisting of the set of all those points in a plane that are equally distant from a given point (center).
The set of all points (x, y) such that {{(x
r2}} is a circle of radius r around the point (1, 0).
Muneeza Rehman
May 03, 2023
◉Sphere
(geometry) The set of all points in three-dimensional Euclidean space (or n-dimensional space, in topology) that are a fixed distance from a fixed point .
Muneeza Rehman
May 03, 2023
◉Circle
A two-dimensional geometric figure, a disk, consisting of the set of all those points of a plane at a distance less than or equal to a fixed distance (radius) from a given point.
Muneeza Rehman
May 03, 2023
◉Sphere
(logic) The extension of a general conception, or the totality of the individuals or species to which it may be applied.
Muneeza Rehman
May 03, 2023
◉Circle
Any shape, curve or arrangement of objects that approximates to or resembles the geometric figures.
Children, please join hands and form a circle.
Muneeza Rehman
May 03, 2023
◉Sphere
(transitive) To place in a sphere, or among the spheres; to ensphere.
Muneeza Rehman
May 03, 2023
◉Circle
Any thin three-dimensional equivalent of the geometric figures.
Cut a circle out of that sheet of metal.
Muneeza Rehman
May 03, 2023
◉Circle
A curve that more or less forms part or all of a circle.
The crank moves in a circle.
Muneeza Rehman
May 03, 2023
◉Sphere
A body or space contained under a single surface, which in every part is equally distant from a point within called its center.
Muneeza Rehman
May 03, 2023
◉Circle
A specific group of persons; especially one who shares a common interest.
inner circle
circle of friends
literary circle
Muneeza Rehman
May 03, 2023
◉Sphere
Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth.
Of celestial bodies, first the sun,A mighty sphere, he framed.
Muneeza Rehman
May 03, 2023
◉Sphere
The apparent surface of the heavens, which is assumed to be spherical and everywhere equally distant, in which the heavenly bodies appear to have their places, and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc., are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it.
Muneeza Rehman
May 03, 2023
◉Circle
(cricket) A line comprising two semicircles of 30 yards radius centred on the wickets joined by straight lines parallel to the pitch used to enforce field restrictions in a one-day match.
Muneeza Rehman
May 03, 2023
◉Sphere
The extension of a general conception, or the totality of the individuals or species to which it may be applied.
Muneeza Rehman
May 03, 2023
◉Circle
(Wicca) A ritual circle that is cast three times deosil and closes three times widdershins either in the air with a wand or literally with stones or other items used for worship.
Muneeza Rehman
May 03, 2023
◉Sphere
Circuit or range of action, knowledge, or influence; compass; province; employment; place of existence.
To be called into a huge sphere, and not to be seen to move in 't.
Taking her out of the ordinary relations with humanity, and inclosing her in a sphere by herself.
Each in his hidden sphere of joy or woeOur hermit spirits dwell.
Muneeza Rehman
May 03, 2023
◉Circle
(astronomy) An instrument of observation, whose graduated limb consists of an entire circle. When fixed to a wall in an observatory, it is called a mural circle; when mounted with a telescope on an axis and in Y's, in the plane of the meridian, a meridian or transit circle; when involving the principle of reflection, like the sextant, a reflecting circle; and when that of repeating an angle several times continuously along the graduated limb, a repeating circle.
Muneeza Rehman
May 03, 2023
◉Sphere
To place in a sphere, or among the spheres; to insphere.
The glorious planet SolIn noble eminence enthroned and spheredAmidst the other.
Muneeza Rehman
May 03, 2023
◉Circle
(logic) A form of argument in which two or more unproved statements are used to prove each other; inconclusive reasoning.
Muneeza Rehman
May 03, 2023
◉Sphere
a particular environment or walk of life;
his social sphere is limited
it was a closed area of employment
he's out of my orbit
Muneeza Rehman
May 03, 2023
◉Circle
A territorial division or district.
The ten Circles of the Holy Roman Empire were those principalities or provinces which had seats in the German Diet.
Muneeza Rehman
May 03, 2023
◉Circle
(in the plural) A bagginess of the skin below the eyes from lack of sleep.
After working all night, she had circles under her eyes.
Muneeza Rehman
May 03, 2023
◉Sphere
a particular aspect of life or activity;
he was helpless in an important sector of his life
Muneeza Rehman
May 03, 2023
◉Circle
(transitive) To travel around along a curved path.
The wolves circled the herd of deer.
Muneeza Rehman
May 03, 2023
◉Sphere
a solid figure bounded by a spherical surface (including the space it encloses)
Muneeza Rehman
May 03, 2023
◉Sphere
a three-dimensional closed surface such that every point on the surface is equidistant from the center
Muneeza Rehman
May 03, 2023
◉Circle
(transitive) To place or mark a circle around.
Circle the jobs that you are interested in applying for.
Muneeza Rehman
May 03, 2023
◉Sphere
the apparent surface of the imaginary sphere on which celestial bodies appear to be projected
Muneeza Rehman
May 03, 2023
◉Sphere
A three-dimensional round object with every surface point equidistant from its center.
The globe is a representation of the Earth in the form of a sphere.
Levi
Sep 15, 2023
◉Circle
A plane figure, bounded by a single curve line called its circumference, every part of which is equally distant from a point within it, called the center.
Muneeza Rehman
May 03, 2023
◉Sphere
A celestial body, or its apparent surface.
Ancient astronomers discussed the spheres of the heavens.
Muazma Batool
Sep 15, 2023
◉Sphere
A round object used in some games or sports.
Bowling requires you to roll a heavy sphere down the lane.
Kaitlyn
Sep 15, 2023
◉Circle
An instrument of observation, the graduated limb of which consists of an entire circle.
Muneeza Rehman
May 03, 2023
◉Sphere
A particular social world or stratum.
Moving to the city introduced her to a different social sphere.
Henry
Sep 15, 2023
◉Circle
A round body; a sphere; an orb.
It is he that sitteth upon the circle of the earth.
Muneeza Rehman
May 03, 2023
◉Circle
A company assembled, or conceived to assemble, about a central point of interest, or bound by a common tie; a class or division of society; a coterie; a set.
As his name gradually became known, the circle of his acquaintance widened.
Muneeza Rehman
May 03, 2023
◉Circle
A series ending where it begins, and repeating itself.
Thus in a circle runs the peasant's pain.
Muneeza Rehman
May 03, 2023
◉Circle
A form of argument in which two or more unproved statements are used to prove each other; inconclusive reasoning.
That heavy bodies descend by gravity; and, again, that gravity is a quality whereby a heavy body descends, is an impertinent circle and teaches nothing.
Muneeza Rehman
May 03, 2023
◉Circle
Indirect form of words; circumlocution.
Has he given the lie,In circle, or oblique, or semicircle.
Muneeza Rehman
May 03, 2023
◉Circle
To encompass, as by a circle; to surround; to inclose; to encircle.
Their heads are circled with a short turban.
So he lies, circled with evil.
Muneeza Rehman
May 03, 2023
◉Circle
To move circularly; to form a circle; to circulate.
Thy name shall circle round the gaping through.
Muneeza Rehman
May 03, 2023
◉Circle
ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point;
he calculated the circumference of the circle
Muneeza Rehman
May 03, 2023
◉Circle
an unofficial association of people or groups;
the smart set goes there
they were an angry lot
Muneeza Rehman
May 03, 2023
◉Circle
something approximating the shape of a circle;
the chairs were arranged in a circle
Muneeza Rehman
May 03, 2023
◉Circle
movement once around a course;
he drove an extra lap just for insurance
Muneeza Rehman
May 03, 2023
◉Circle
a road junction at which traffic streams circularly around a central island;
the accident blocked all traffic at the rotary
Muneeza Rehman
May 03, 2023
◉Circle
a curved section or tier of seats in a hall or theater or opera house; usually the first tier above the orchestra;
they had excellent seats in the dress circle
Muneeza Rehman
May 03, 2023
◉Circle
any circular or rotating mechanism;
the machine punched out metal circles
Muneeza Rehman
May 03, 2023
◉Circle
be around;
Developments surround the town
The river encircles the village
Muneeza Rehman
May 03, 2023
Circle vs. Sphere Frequently Asked Questions
What is a circle?
A circle is a two-dimensional shape where all points are equidistant from a center point.
Muneeza Rehman
Nov 09, 2023
How many dimensions does a circle occupy?
A circle is a two-dimensional shape.
Muneeza Rehman
Nov 09, 2023
What defines a sphere?
A sphere is a round three-dimensional object with every surface point equidistant from its center.
Muazma Batool
Nov 09, 2023
Do circles have volume?
No, circles are two-dimensional and don't have volume.
Muneeza Rehman
Nov 09, 2023
How is a circle different from an ellipse?
A circle has a constant radius, while an ellipse has two distinct axes.
Muneeza Rehman
Nov 09, 2023
How do you calculate the surface area of a sphere?
The surface area of a sphere is 4πr^2.
Muneeza Rehman
Nov 09, 2023
Can a circle become a sphere?
A circle is flat and two-dimensional while a sphere is three-dimensional; they are distinct geometric concepts.
Olivia
Nov 09, 2023
Can spheres be flattened into circles?
While spheres are three-dimensional, their two-dimensional representations or projections can resemble circles.
Levi
Nov 09, 2023
What's the surface area formula for a circle?
The surface area of a circle is πr^2.
Muazma Batool
Nov 09, 2023
Content Creators
Written by
Muneeza RehmanAt Comparisons.wiki, Muneeza skillfully navigates the vast sea of information, ensuring clarity and accuracy as the lead content editor. With a keen eye for detail, she curates every comparison to enlighten and engage readers.
Edited by
Muazma BatoolAs a content editor, Muazma Batool is not just a grammar guru but a creative mastermind who breathes life into every word. With an eagle eye for detail and a passion for storytelling, she transforms bland text into engaging content that captivates audiences and drives results.
