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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
Geometric Shapes: Area of a Ci...	Circles (Geometry)	Flash	Tool	$	[0]
Flash-based introduction to finding the area of a circle, given the radius. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their tools, se... More: lessons, discussions, ratings, reviews,...
Geometric Shapes: Circumferenc...	Circumference (Geometry)	Flash	Tool	$	[0]
Flash-based introduction to finding the circumference of a circle, given the radius. College Cram charges access fees by the month or by the semester for most resources. To get a preview of their ... More: lessons, discussions, ratings, reviews,...
Miscellaneous: 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,...
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,...
Get in Line	Circles (Geometry)	Calculator	Activity		[1]
A calculator activity involving perimeter and circumference. 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,...
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,...
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,...
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,...
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,...
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,...
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,...
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,...
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,...
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,...
Discovering the Value of Pi: L...	Pi (Geometry)	Java Applet	Lesson Plan		[0]
Lesson plan and discussion tips for teachers using the associated activity. In this lesson, students discover the value of pi by rolling computer-generated circles with known diameters across a ruler.... 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,...
Euclid's Elements, Book I, Def...	Circles (Geometry)	Computer	Support Material		[0]
Gives Euclid's original definitions of boundaries and figures and then examines the definitions' validity and durability. 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,...
Hypotrochoid	Circles (Geometry)	Java Applet	Support Material		[0]
This Math Images page catalogs the hypotrochoid, along with a basic description, mathematical explanations, related links, and references. More: lessons, discussions, ratings, reviews,...
Circles: Definitions and Formu...	Circles (Geometry)	JavaScript	Support Material		[0]
The user reviews circles, terms related to circles, and formulas and equations associated with circles. More: lessons, discussions, ratings, reviews,...
Conic Sections: Equation of a ...	Circles (Geometry)	Flash	Tool		[0]
Flash introduction to finding the equation of a circle from its center and radius, and vice versa. College Cram charges access fees by the month or by the semester for most resources. This one, th... More: lessons, discussions, ratings, reviews,...
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