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Resource Name	Topic (Course)	Technology	Type	Rating
Browsing: All Content in Geometry for Circles Browse discussions			Login to Subscribe / Save Results
Interactive Circle	Circles (Geometry)+	Flash	Tool	[1]
Use the interactive circle to create the following circle parts: -Radius -Diameter -Tangent -Chord -Sector -Inscribed Angles -Central Angle -Segment -Ar... More: lessons, discussions, ratings, reviews,...
Central Angle Theorem - Math O...	Arcs (Geometry)+	Java Applet	Tool	[1]
A web page and interactive applet illustrate the Central Angle Theorem (an arc subtends twice the angle at the center as at the circumference). By dragging the key points with the mouse, students ... More: lessons, discussions, ratings, reviews,...
Construct a circle Through 3 P...	Circles (Geometry)	Java Applet	Tool	[1]
An interactive applet and associated web page that demonstrate how to construct the circle that passes through all three given points. The applet starts with three given points and the user can si... More: lessons, discussions, ratings, reviews,...
Area of a Circle	Circles (Geometry)	Sketchpad	Tool	[1]
This is a downloadable Geometer's Sketchpad file that illustrates the source of the area formula for a circle. More: lessons, discussions, ratings, reviews,...
Geoboard - Circular	Angles (Geometry)	Java Applet	Tool	[1]
Use circular geoboard to illustrate angles and degrees. More: lessons, discussions, ratings, reviews,...
Areas of Regular Polygons and ...	Circles (Geometry)+	Sketchpad	Tool	[1]
Students manipulate the number of sides in a regular polygon, develop a formula relating the area and perimeter of the polygon, and use their result to develop a formula relating the circumference ... More: lessons, discussions, ratings, reviews,...
Radians	Angles (Geometry)	Flash	Tool	[2]
Flash-based introduction to converting between degrees and radians. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, see their ... More: lessons, discussions, ratings, reviews,...
Euclid's Elements, Book 3, Pro...	Circles (Geometry)	Java Applet	Tool	[1]
Euclid's proposition shows how to draw a straight line from a given point that touches a given circle. The guide then examines the structure of the proposition. The To reset the applet, press "r" wh... More: lessons, discussions, ratings, reviews,...
Get in Line	Circles (Geometry)	Calculator	Activity	[1]
A calculator activity involving perimeter and circumference. More: lessons, discussions, ratings, reviews,...
Circles in the Plane	Circles (Geometry)	Cabri Jr.	Activity	[0]
Students investigate the relationships between the equation of a circle, the length of its radius, and the coordinates of its center. More: lessons, discussions, ratings, reviews,...
Chords in a Circle	Chords (Geometry)	Sketchpad	Activity	[0]
Students construct chords in a circle and manipulate them to discover various properties. The link to the activity itself is to a zip file that contains a pdf file of the activity. This i... More: lessons, discussions, ratings, reviews,...
Areas of Regular Polygons and ...	Pi (Geometry)	Sketchpad	Activity	[0]
Students manipulate the number of sides in a regular polygon, develop a formula relating the area and perimeter of the polygon, and use their result to develop a formula relating the circumference ... More: lessons, discussions, ratings, reviews,...
Determining the Uniqueness of ...	Circles (Geometry)	Sketchpad	Activity	[0]
Are there a certain number of arbitrary points such that there exists a unique circle through them? To explore and conjecture an answer to this question, students will construct circles passing throug... More: lessons, discussions, ratings, reviews,...
Three Tangents to a Circle	Tangents (Geometry)	Sketchpad	Activity	[0]
A guided exploration of a triangle formed by three tangents to a circle, and interrelations between its perimeter and the location of the tangents, using Geometer's Sketchpad. More: lessons, discussions, ratings, reviews,...
A Continuation of Minimum Peri...	Circles (Geometry)	Sketchpad	Activity	[0]
A further guided exploration of triangles inscribed within triangles, using Geometer's Sketchpad. More: lessons, discussions, ratings, reviews,...
Circumscribed Triangles	Circles (Geometry)	Sketchpad	Activity	[0]
A guided exploration of the relationship between the midpoints of a triangle inscribed in a circle, and the center of the circle, using Geometer's Sketchpad. More: lessons, discussions, ratings, reviews,...
Inscribed Triangles	Circles (Geometry)	Sketchpad	Activity	[0]
A guided exploration, using Geometer's Sketchpad, of a property of triangles inscribed in a circle. More: lessons, discussions, ratings, reviews,...
Kissing Circles	Circles (Geometry)+	Sketchpad	Activity	[0]
This guided exploration, using Geometer's Sketchpad, examines the properties of tangent circles ("osculating" or kissing circles). More: lessons, discussions, ratings, reviews,...
A Japanese Temple Problem	Circles (Geometry)+	Sketchpad	Activity	[0]
In this guided Geometer's Sketchpad exploration, students use their knowledge of tangent circles to discover a relationship between the radii of three circles which are mutually tangent to each other ... More: lessons, discussions, ratings, reviews,...
Spirograph Machine, or Tea cup...	Circles (Geometry)	Computer	Lesson Plan	[0]
This lab studies the effects (both mathematical and artistic) of circular motion as points rotate around circles. Interesting things occur when a point moves around a circle as the circle rotates arou... More: lessons, discussions, ratings, reviews,...
The Geometer's Sketchpad Equat...	Circles (Geometry)	Computer	Lesson Plan	[0]
This activity guides students to discovering the equation of a circle. More: lessons, discussions, ratings, reviews,...
Archeology Problem	Chords (Geometry)	Computer	Lesson Plan	[0]
This lesson/problem requires that students be able to construct chords to a circle and perpendicular lines in Geometer's Sketchpad. More: lessons, discussions, ratings, reviews,...
Paper Cup Mathematics	Circles (Geometry)	Sketchpad	Lesson Plan	[0]
Imagine a discarded paper cup rolling on its side of a flat surface. What geometric shape does the path of the cup form? Students investigate this question and begin the activity by experimenting wit... More: lessons, discussions, ratings, reviews,...
The Circle	Circles (Geometry)	Computer	Support Material	[0]
Provides you with the definitions of circle, radius, diameter, and circumference. More: lessons, discussions, ratings, reviews,...
The Radian	Circumference (Geometry)	Computer	Support Material	[0]
Provides an illustration and description of radians and how they relate to a circle. More: lessons, discussions, ratings, reviews,...
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