Basic Circle Vocabulary

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Presentation Description

This is a lesson intended to describe basic vocabulary terms for circles.

Comments

By: APatterson79 (39 month(s) ago)

Ledie, Will you be using it to show someone or will you be taking information from it to use somewhere else? Angela

By: ledie (39 month(s) ago)

You have a very nice power point presentation. Can i use it?

Presentation Transcript

Circle Vocabulary : 

Circle Vocabulary By: Angela P. NJCU Summer I 2008 Intro to Authoring Tools A Journey into the World of Circles…

What is a Circle? : 

What is a Circle? A circle is defined as… The set of all points in a plane that are equidistant from a given point called the center point.

Basic Parts of a Circle : 

Basic Parts of a Circle Interior of a Circle Exterior of a Circle

Segments of a Circle : 

Segments of a Circle Chord – a segment whose endpoints are on the circle

Segments of a Circle : 

Segments of a Circle Diameter – a chord that passes through the center of the circle.

Segments of a Circle : 

Segments of a Circle Radius – a segment that has the center as one endpoint and a point on the circle as the other endpoint. Don’t forget… A diameter is made up of two radii

Lines that Intersect a Circle : 

Lines that Intersect a Circle Tangent Line – a line that intersects the circle at exactly one point. That point is called a point of tangency.

Lines that Intersect a Circle : 

Lines that Intersect a Circle Secant Line – a line that intersects the circle at two points.

Special Cases of Tangent Lines : 

Special Cases of Tangent Lines A line that is tangent to two circles is known as a common tangent.

Common Tangent Types : 

Common Tangent Types Common External Tangent Common Internal Tangent

Recap… : 

Recap… Identify the following by their correct vocabulary name

Recap… : 

Recap… Identify the following by their correct vocabulary name

What’s Up and Coming… : 

What’s Up and Coming… Properties of Tangent Lines Properties of Chords Angles of Circles