Circles Vocabulary

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by kYancey15
Last updated 6 years ago

Discipline:
Math
Subject:
Geometry

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Circles Vocabulary

Terms Discussed:RadiusDiameterChordCircumfrenceArcTangent LineSecant Line

Vocabulary:Circles

Definitions:Radius - Distance from the center of the circle to the outsideDiameter - Double the radius; distance from one side of the circle to the other through the center point.Chord - any line segment that cuts through the circle from edge to edge.Circumfrence - the perimeter of the circle.Arc - a portion of the perimeter between two radii.Tangent Line - A line on the outside of the circle that touches the circle at only one point.Secant Line - A line that cuts through the circle at two points; and chord extended at each end create a secant line.

In the Diagram above:Which line is the Secant line?Which line is the Tangent Line?Which line is the chord?

State the following definitions in your own words and turn it in before you leave class today:SectorChordCircumfrenceDiameterBonus:What is the relationship between the radius and the diameter of a circle?

Talks about Radius, Diameter, and Circumfrence

BEFORE YOU LEAVE TODAY!


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