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Topic (Course) 
Technology 
Type 
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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.
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Circle Geometry Whiteboard Min...

Chords (Geometry) 
Flash 
Tool 

[0]

Teach your geometry students advanced circle concepts with this set of interactive whiteboard minimovies. Animated flash cards bring the concepts to life while the interactive circle allows you to cr...
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Interactive Circle

Chords (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...
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Chord (of a circle)  Math Ope...

Chords (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate a chord of a circle.
The applet shows a circle and two draggable points on its periphery, with the chord drawn between them.
A c...
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Common Tangents

Chords (Geometry) 
Java Applet 
Tool 

[0]

This applet helps you discover the common tangents between two circles.
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Euclid's Elements, Book 3, Pro...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows properties concerning circles, chords, and diameters. The guide then examines the structure of the proposition. The To reset the applet, press "r" while your cursor is ove...
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Euclid's Elements, Book 3, Pro...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows properties concerning circles, chords, and diameters. The guide then examines the structure of the proposition. The To reset the applet, press "r" while your cursor is ove...
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Euclid's Elements, Book 3, Pro...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that chords that are equally distant from the center are equal and vice versa. The guide then examines the structure of the proposition. The To reset the applet, press "r"...
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Euclid's Elements, Book 3, Pro...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that in equal circles, two equal chords with cut the circles into corresponding equal sections. The guide then examines the structure of the proposition. The To reset the ...
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Euclid's Elements, Book 3, Pro...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that when two equal circles are cut into two corresponding equal sections, then the chords cutting the circles' circumferences are equal. The guide then examines the struct...
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Euclid's Elements, Book 4, Pro...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows how to inscribe a given segment in a circle whose diameter is greater than or equal to the segment (making the segment a chord of the circle). The guide then examines the s...
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Euclid's Elements, Book III, D...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Provides Euclid's definitions of segments and angles in a circle and inspects them. To reset the applet, press "r" while your cursor is over the diagram.
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Euclid's Elements, Book III, D...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Provides Euclid's definition of similar segments of a circle and inspects it. To reset the applet, press "r" while your cursor is over the diagram.
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Euclid's Elements, Book III, P...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that two points on the circumference are connected by a segment within the circle. The guide then examines the structure of the proposition. The To reset the applet, press...
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Euclid's Elements, Book III, P...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition states properties of segments within a circle. The guide then examines the structure of the proposition. The To reset the applet, press "r" while your cursor is over the diagram.
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Euclid's Elements, Book III, P...

Chords (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition states properties of segments within a circle. The guide then examines the structure of the proposition. The To reset the applet, press "r" while your cursor is over the diagram.
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Finding the Center of a Circle...

Chords (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to find the center of a circle
using only a compass and straightedge.
The method used involves constru...
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Intersecting Chords Theorem  ...

Chords (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the "Intersecting Chords" Theorem.
(When two chords intersect each other inside a circle, the products of their segments are equal.)
...
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Radius of an Arc  Math Open R...

Chords (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that describe the radius of an arc and how to derive it from the width and height of the
segment defined by that arc. A practical use is described fo...
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Segment of a Circle  Math Ope...

Chords (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate a segment of a circle  a part of a circle cut off by a chord.
The applet shows a circle and a segment of that circle, the ends of ...
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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...
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Examining Angles in Circles

Chords (Geometry) 
Sketchpad 
Tool 

[0]

Investigate central angles, inscribed angles, angles formed by a tangent and chord, angles formed by intersecting chords, angels formed by two secants, angles formed by a tangent and a secant, and ang...
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Examining Segments in Circles

Chords (Geometry) 
Sketchpad 
Tool 

[0]

Investigate the segment relationships in circles relating to chords, secants and tangents.
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