parts of a circle :
DESCRIPTION
circle - set of all points in a plane at a given distance from a given point in the plane. Parts of a Circle :. radius - segment from point on circle to circles center. A. center - point in middle of circle with letter next to it. A. - PowerPoint PPT PresentationTRANSCRIPT
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circle - set of all points in a plane at a given distance from a given point in the plane
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Parts of a Circle:
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radius - segment from point on circle to circles center
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center - point in middle of circle with letter next to it
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Circles are named by their center point.
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This circle is circle A.
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What is the name of the circle below?
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Circle N
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congruent circles - circles with the same radius
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These circles are congruent.
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arc of a circle - two points on the circle and the unbroken part between the two points
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arc of a circleendpoints - the two points that define an arc
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NAMING ARCSAn arc is named by its endpoints.
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THREE TYPES OF ARCS:semicircle - arc whose endpoints are a diameter (half a circle)
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THREE TYPES OF ARCS:semicircle - named using three points on the arc; endpoints listed first and last
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THREE TYPES OF ARCS:The blue dashed arc is arc AOB or symbolically...
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True or FalseThe name of the orange arc below is…..
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True or FalseFALSE…it is
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THREE TYPES OF ARCS:minor arc - arc less than a semicircle
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THREE TYPES OF ARCS:minor arc - named using the two endpoint letters
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THREE TYPES OF ARCS:The blue dashed arc is arc YZ or symbolically...
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True or FalseThe name of the orange arc below is…..
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True or FalseFALSE. It is…..
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THREE TYPES OF ARCS:major arc - arc greater than a semicircle
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THREE TYPES OF ARCS:major arc - named using three points on the arc with endpoints listed first and last
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THREE TYPES OF ARCS:major arc - named using three points on the arc with endpoints listed first and last
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THREE TYPES OF ARCS:The blue dashed arc is arc YXZ or symbolically...
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True or FalseThe name of the orange arc below is…..
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True or FalseFALSE
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chord A segment whose endpoints are on the circle.
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chord AB is a chord.
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diameter A chord that goes through the center of a circle.
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diameter CD is a diameter.
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secant -line that goes through two
points of a circle.
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secant -line m is a secant
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tangent -line that touches circle at only one point
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tangent -line p is a tangent
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inscribed angle -angle made of two chords
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inscribed angle -ABC and BCD are inscribed angles
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central angle -angle made of two radii
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central angle -COD is a central angle
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Name each circle part as either a chord, diameter, secant, tangent, or inscribed angle.
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tangent line
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chord
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secant
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central angle
DOA
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diameter
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inscribed angle