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Circle

en.wikipedia.org/wiki/Circle

A circle is a simple closed shape in Euclidean geometry. It is the set of all points in a plane that ... by two concentric circles. Arc: any connected part of the circle.

Parts of a circle - Pictorial index - Math Open Reference

www.mathopenref.com/pictorialindex.html

A pictorial index to the parts of a circle. A diagram with links to full definitions.

Definitions of Parts of Circles - AlgebraLAB

www.algebralab.org/lessons/lesson.aspx?file=Geometry_CircleDefinitions.xml

Introduction: A circle is all points equidistant from one point called the center of the circle. Segments drawn near and through the circle create other geometrical ...

The Circle and Parts of a Circle - eMathZone

www.emathzone.com/tutorials/geometry/the-circle-and-parts-of-a-circle.html

Parts of a Circle: The radius of the circle is a straight line drawn from the center to the boundary line or the circumference. The plural of the word radius is radii.

Area of a Segment in a Circle - Regents Exam Prep Center

www.regentsprep.org/regents/math/geometry/gp14/circlesectors.htm

(Sectors are similar to "pizza pie slices" of a circle.) Semi-circle (half of circle = half of area). Quarter-Circle (1/4 of circle = 1/4 of area). Any Sector (fractional part  ...

Basic information about circles (Geometry, Circles) – Mathplanet

www.mathplanet.com/education/geometry/circles/basic-information-about-circles

The points within the hula hoop are not part of the circle and are called interior ... The distance between the midpoint and the circle border is called the radius.

Cool math .com - The Geometry of Circles - Radius, Diameter ...

www.coolmath.com/reference/circles-geometry

Definitions and formulas for the radius of a circle, the diameter of a circle, the circumference (perimeter) of a circle, the area of a circle, the chord of a circle, arc  ...

Parts of a circle - NSW Department of Education

www.det.nsw.edu.au/eppcontent/glossary/app/resource/factsheet/4025.pdf

For more homework help, tips and info sheets go to www.schoolatoz.com.au. Parts of a circle circumference. The boundary line or perimeter of a circle. centre.

Circles: diameter, chord, radius, arc, tangent (with examples, videos ...

www.onlinemathlearning.com/diameter-of-circle.html

Parts of a Circle - Diameter, Chord, Radius, Arc, Tangent, Intersecting Circles, Internal and External Tangents with examples and videos.

IXL - Parts of a circle (7th grade math practice)

www.ixl.com/math/grade-7/parts-of-a-circle

Fun math practice! Improve your skills with free problems in 'Parts of a circle' and thousands of other practice lessons.

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Geometry and the Circle - Math Goodies

www.mathgoodies.com

A circle is an important shape in the field of geometry. Let's look at the definition of a circle and its parts. We will also examine the relationship between the circle ...

Labeling parts of a circle | Area and perimeter | Khan Academy

www.khanacademy.org

Radius, diameter, center, and circumference--all are parts of a circle. Let's go through each and understand how they are defined.

Circle - Math is Fun

www.mathsisfun.com

circle. A circle is easy to make: Draw a curve that is "radius" away from a central point. And so: ... a Tangent. And a part of the circumference is called an Arc.