what is circle
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- A circle is the locus of all points a fixed distance from a given (center) point. This definition assumes the plane is composed of an infinite number of points and we select only those that are a fixed distance from the center.
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Circle The centre of a circle is the point in the very middle. The radius of a circle is a line from the centre of the circle to a point on the side. All points on the edge of the circle are at the same distance from the centre. In other words, the radius is the same length all the way around the circle. Mathematicians use the letter r for the length of a circle's radius.
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Overview Gallstones may cause no signs or symptoms. If a gallstone lodges in a duct and causes a blockage, the resulting signs and symptoms may include: Sudden and rapidly intensifying pain in the upper right portion of your abdomen. Sudden and rapidly intensifying pain in the center of your abdomen, just below your breastbone.
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Literacy Instruction with Digital and Media Technologies Circle is when small groups of students meet with the teacher and read and study leveled reading books. During Circle time, the teacher most often works on traditional literacy expectations grounded in print. However, during independent times, students engage in new literacies through the use of technology.
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Diameter The diameter of a circle is the distance from a point on the circle to a point radians away, and is the maximum distance from one point on a circle to another. The diameter of a sphere is the maximum distance between two antipodal points on the surface of the sphere. If is the radius of a circle or sphere, then.
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Conic Sections Circles. A circle is formed by cutting a circular cone with a plane perpendicular to the symmetry axis of the cone. This intersection is a closed curve, and the intersection is parallel to the plane generating the circle of the cone. A circle is also the set of all points that are equally distant from the center.
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ANSWER KEY The radius of the circle, equal to one-half of its diameter,  is any line that goes from the center of the circle to any point on  the circle. 2 people found this useful.he radius of the circle, equal to one-half of its diameter,  is any line that goes from the center of the circle to any point on  the circle. 2 people found this useful.
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The distance from the center of a circle to any point on the circle is the? a circle is, via definition, the form in a 2 dimensional device the place all factors are equidistant from some reference element in many circumstances called the middle. a similar applies for a sphere in 3 dimensions. i think of the place you would be able to desire to come across a subject is which you presume a element foundation for actuality ( ...
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Wikipedia:Reference desk archive/Humanities/March 2006 The Radius of a circle is the distance from the center of the circle to the outside edge. Thus the diameter of the circle is twice the size of the radius of a circle. The Area of a circle refers to the number of square units within the circle.If you know the area, diameter or the circumference, you will be able to use this tool to determine the missing values.ll about Circles-Tutorial. The distance all around a circle is called the Circumference and is referred to in formulas as C. The distance from one side of the circle to the other is referred to as the Diameter of a circle and is identified as a d in formulas.
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Arc Definition of Arc. An Arc is a curved line that is a part of a circle. An Arc is a part of the circumference of a circle.
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sphere great circle - Any circle on the surface of a sphere that lies on a plane through its center, or a circle that divides into two equal parts—as the Equator. quadrant - A quarter of a circle or sphere. rhumb line - A line on a sphere that cuts all meridians at the same angle; the path taken by a ship or plane that maintains a constant compass direction. diameter - From Greek, meaning measure through (a circle or sphere, etc.). Sphere
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- A circle consists of all points in a plane that are a fixed distance r, called the radius, from a given central point, called the center. •A circle is often named after its center. •In the diagram, circle O has point O as its center and r as its radius.
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sphere sphere. great circle - Any circle on the surface of a sphere that lies on a plane through its center, or a circle that divides into two equal parts—as the Equator. quadrant - A quarter of a circle or sphere. rhumb line - A line on a sphere that cuts all meridians at the same angle; the path taken by a ship or plane that maintains a constant compass direction. diameter - From Greek, meaning measure through (a circle or sphere, etc.). Sphere the persons with whom one is normally in contact, 1839; a group of persons of a certain rank, standing, or interest, 1601.
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The Geometry of Circles The radius of a circle is the distance from the center of the circle to the outside edge. The diameter of a circle: The diameter of a circle is longest distance across a circle.
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Circle Graph A circle is a very commonly-used and important geometrical figure. Just to recall that a circle is defined as a two-dimensional shape which is made up of a set of points, all placed at a fixed distance from a fixed point. The diagram of a circle is shown below: The fixed point O is located in the middle of the circle and is known as the center.
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Definitions &Translations Freebase(0.00 / 0 votes)Rate this definition: Circle. A circle is a simple shape of Euclidean geometry that is the set of all points in a plane that are a given distance from a given point, the centre. The distance between any of the points and the centre is called the radius.
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Definitions &Translations In geometry, the diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circle. It can be also defined as the longest chord of the circle. Both definitions are also valid for the diameter of a sphere.
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- Circumference of a circle is the linear distance calculated along its edge. It is similar to perimeter of a geometric figure, but the term 'perimeter' is rather used to describe the property of polygons. Circumference is often misspelled as circumfrence.
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Circle Radius, Diameter and Circumference. The Radius is the distance from the center to the edge. The Diameter starts at one side of the circle, goes through the center and ends on the other side. The Circumference is the distance around the edge of the circle.ecause people have studied circles for thousands of years special names have come about. Nobody wants to say that line that starts at one side of the circle, goes through the center and ends on the other side when a word like Diameter will do.
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Circle A circle is the set of points in a plane that are equidistant from a given point . The distance from the center is called the radius, and the point is called the center. Twice the radius is known as the diameter . The angle a circle subtends from its center is a full angle, equal to or radians. A circle has the maximum possible area for a given perimeter, and the minimum possible perimeter for a given area.
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DIAMETER diameter-a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface). straight line-a line traced by a point traveling in a constant direction; a line of zero curvature; the shortest distance between two points is a straight line.
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Circle Equations Circle Equations. A circle is easy to make: Draw a curve that is radius away from a central point. And so: All points are the same distance. from the center. In fact the definition of a circle is. Circle: The set of all points on a plane that are a fixed distance from a center. Let us put that center at (a,b) . So the circle is all the points (x,y) that are r away from the center (a,b) .
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CIRCLES: Their Lines and Segments A tangent to a circle is a line in the plane of the circle that intersects the circle in exactly one point. If you spin an object in a circular orbit and release it, it will travel on a path that is tangent to the circular orbit. tangent to a circle is a line in the plane of the circle that intersects the circle in exactly one point. If you spin an object in a circular orbit and release it, it will travel on a path that is tangent to the circular orbit.
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Magic circle Magic Circle, by John William Waterhouse (1886) A magic circle is a circle (or sphere, field) of space marked out by practitioners of many branches of ritual magic, which they generally believe will contain energy and form a sacred space, or will provide them a form of magical protection, or both.
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Circles Circles - central angles. A central angle of a circle is an angle where its vertex is the center of the circle and its sides are radius of the circle. In order to measure an arc of a circle we use the size of the central angle that forms the arc.
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- Tangent of a circle is a line outside a circle which touches the circle just at one point. Tangent of a circle makes a right angle to the radius of the circle at the point of tangency. Tangents drawn from the same point to a circle are equal in measure.