which term describes the distance from the center of a circle to any point on the circle?
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- Example of Center of a Circle. 1  The constant distance from the center of the circle to any point on the circle is called the radius of the circle. 2  Diameter of a circle is the line segment connecting two points on a circle and passing through the center of the circle.
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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.
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College Algebra Problems With Answers sample 7 : Equation of Circle Using this definition of a circle (the set of points all at the same distance from a given point called the center) we can graph a circle on a coordinate system. The equation of this circle, with its center at the origin, and its radius equal to 3 (the square root of 9) is:
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- 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. Edit.
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How to Calculate the Radius From the Circumference The circumference of any circle is directly proportional to the diameter and the radius of the circle. Understanding Radius The radius of a circle is a line drawn from the direct center of the circle to its outer edge.
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A circle is the set of all points in a plane equidistant from a fixed point called the center point . We can derive the equation directly from the distance formula. If we place the center point on the origin point, the equation of a circle with center point (0, 0) and radius r is: See 1.6.  (x2 - 8x + 16) + (y2 + 4y + 4) = 8 + 16 + 4.  (x - 4)2 + (y + 2)2 = 28 Now it's in the correct form!!  Center point (4, -2) with radius = The graph is:  3) Find the intersection of the line y = x - 1 and the circle x2 + y2 = 25.  Solution: A line could intersect a circle twice or once (if it is tangent) or not intersect at all. To find the intersection use substitution. Replace y in the circle equation with x - 1.
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circle 1. (Mathematics) maths a closed plane curve every point of which is equidistant from a given fixed point, the centre. Equation: (x –h)2 + (y –k)2 = r2 where r is the radius and (h, k) are the coordinates of the centre; area πr2; circumference: 2πr. 2. (Mathematics) the figure enclosed by such a curve.
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Flag of Paraguay  [show article only]hover over links in text for more info 1 Circumference: the length of one circuit along the circle, or the distance around the circle.  Diameter: a line segment whose endpoints lie on the circle and which passes through the centre; or the length of such a line segment, which is the largest distance between any two points on the circle.
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Italian language in the United States But Italian is the 3rd foreign language spoken at home in US and it represents the 2nd largest ethnic market in the US behind only the Hispanic market. Cities with Italian and Sicilian speaking communities include Buffalo, Chicago, Miami, New York City, Philadelphia, and St. Louis.rom Wikipedia, the free encyclopedia. The Italian language has been a widely spoken language in the United States of America for more than one hundred years, due to large-scale immigration beginning in the late 19th century. Today it is the eighth most spoken language in the country.
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- Radius, chord and diameter are different types of line segments that are defined in relation to a circle.A radius of a circle is the line segment joining the center of the circle and any point on the circle.
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Circle 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. So here are the most common special names: Lines. A line that goes from one point to another on the circle's circumference is called a Chord. If that line passes through the center it is called a Diameter. A line that just touches the circle as it passes by is called a Tangent. And a part of the circumference is called an Arc.
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What Is Circle? A circle is a plane figure contained by one line, which is called circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another. As an extra, comes Definition I.16: And the point is called the center of the circle.
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Circle, Its Perimeter and Area All circles are similar. This fact implies that the circumference and area of a circle are functions of its radius: linear function, for the circumference; quadratic function, for the area.ircle, Its Perimeter and Area. Circle is the set of points on a fixed distance from a given point; the latter is called the center while that distance is the radius of the circle. The word radius has also another meaning: a line segment from the center to any point on the circle is also called radius.
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Circumference Circle illustration with circumference (C) in black, diameter (D) in cyan, radius (R) in red, and centre or origin (O) in magenta. Circumference = π × diameter = 2 × π × radius. The circumference of a circle is the distance around it, but if, as in many elementary treatments, distance is defined in terms of straight lines, this can not be used as a definition.
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What is the difference between a circle and the circumference of a circle? Circle is the geometric figure shaped in the form of a round plane whose boundary consists of points equidistant from a fixed point called the centre. Circumference of a circle is the linear distance of the boundary (or edge) of a circle.
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How to find the equation of a circle given two points and a line which goes through the center? 2x - 7 = x - 4 ⇒ x = 3, y = -1, so the center of the circle is (3, -1) The square of the radius can be found from the distance formula using the center and either given point (with the other as a check) r^2 = (3 - 3)^2 + (2 - (-1))^2 = 9.
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- Circle as a locus. 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. (See locus definition.)
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Parts of Circles If we draw a line from center of the circle to the boundary of the circle,(which we call the circumference of the circle), then the length of this line is called the radius of the circle. The radius remains of fixed length, from where ever we draw it. Sector, arc, radii, diameter are parts of circle.If we join the two radius, which moves in the opposite direction from the center of the circle is called the Diameter of the circle, which is a part of a circle.We observe that two radius join to form a diameter, so we say that the diameter = radius * 2.Now we talk about another term related to the circle i.e. chord.f we join the two radius, which moves in the opposite direction from the center of the circle is called the Diameter of the circle, which is a part of a circle. We observe that two radius join to form a diameter, so we say that the diameter = radius * 2. Now we talk about another term related to the circle i.e. chord.
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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.
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Concentric Circles Concentric circles are circles with a common center. The region between two concentric circles of different radii is called an annulus. Any two circles can be made concentric by inversion by picking the inversion center as one of the limiting points.
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The Pythagorean Theorem Circle with a center of (2, -1) and a radius of 4. Definition : A circle is the set of all points that are the same distance, r, from a fixed point. General Formula: X 2 + Y 2=r2 where r is the radius. Unlike parabolas, circles ALWAYS have X 2 and Y 2 terms. X2 + Y2=4 is a circle with a radius of 2 (since 4 =22)
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- The radius is one -half of the diameter. It is the distance from the circle center to any point on the circumference.
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Difference Between Circle and Ellipse The distance between any point on the circle and its center is constant, which is known as the radius. A circle is formed when a plane intersect a cone, perpendicular to its axis. The circle is a special case of the ellipse where a=b=r, in the equation of the ellipse. ‘r’ is the radius of the circle.
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Parts of Circles arc: a curved line that is part of the circumference of a circle. chord: a line segment within a circle that touches 2 points on the circle. circumference: the distance around the circle. diameter: the longest distance from one end of a circle to the other. origin: the center of the circle.
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What Is Circle? The line joining the center of the circle to one of its points is often called the radius-vector of that point, or just one of the radii. Likewise, the word diameter is used in two different, but close meanings. On one hand, diameter is the largest distance between any two points on a circle.
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Geometry: Circles Terms. 1  Arc - Two endpoints on a circle and all of the points on the circle between those two endpoints. 2  Center - The point from which all points on a circle are equidistant. 3  Central Angle - An angle whose vertex is the center of a circle.  Chord - A segment whose endpoints are on a circle.