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Topic (Course) 
Technology 
Type 
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A Continuation of Minimum Peri...

Bisectors (Geometry) 
Sketchpad 
Activity 

[0]

A further guided exploration of triangles inscribed within triangles, using Geometer's Sketchpad.
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A Minimum Perimeter Inscribed ...

Bisectors (Geometry) 
Sketchpad 
Activity 

[0]

A guided exploration about triangle inscribed within triangles, and the conditions under which their perimeter is at a minimum, using Geometer's Sketchpad.
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Adjacent Angles  Math Open Re...

Angles (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that show the concept of adjacent angles (two angles that share a common leg).
The applet shows three line segments with a common endpoint.
The us...
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Alphabet Geometry  Angles

Angles (Geometry)+ 
Flash 
Tool 

[0]

What can you learn about angles by looking at letters? Look at the letters V, K, and L and learn about acute, obtuse, and right angles. While there, take a look at the letter X and learn about verti...
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Alternate Exterior Angles  Ma...

Angles (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the alternate
exterior angles that are formed where a transversal crosses two lines. The applets shows the
two possible pairs of ...
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Angle Bisector

Bisectors (Geometry) 
Java Applet 
Tool 

[1]

This applet illustrates the process of constructing an angle bisector. From Illuminations' IGD: Interactive Geometry Dictionary.
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Angle Bisector  Math Open Ref...

Bisectors (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the bisector of an angle. An angle is shown using two line segments that can be dragged
to change the angle measure. The angle is b...
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Angle Bisectors and Perpendicu...

Bisectors (Geometry) 
Flash 
Support Material 

[0]

This minilesson explains how to use the laws of logarithms discussed earlier for simplifying logarithmic equations and apply these for solving word problems.
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Angle Bisectors in a Triangle

Bisectors (Geometry) 
Sketchpad 
Activity 

[0]

A guided exploration of the angle bisectors of a triangle, and the point at which they intersect, using Geometer's Sketchpad.
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Angle: An Illustrated Classifi...

Angles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive Java applet that displays the degree measure of userdefined angles along with the labels according to the common classification: acute, right, etc. An option is to show negative as wel...
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Angles

Angles (Geometry) 
Java Applet 
Lesson Plan 

[1]

The following lesson is designed to introduce students to acute, obtuse, and right angles. It is also designed to introduce students to vertical angles, adjacent angles, alternate interior angles and ...
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Angles

Angles (Geometry) 
Java Applet 
Tool 

[0]

This activity allows the user to practice important angle vocabulary.
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Angles Discussion

Angles (Geometry) 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor about angles.
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Angles Formed by Parallel Line...

Angles (Geometry) 
Flash 
Tool 

[0]

This demonstration tool shows how to use a protractor, and tests angle estimation skills.
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Angles and Angle Measurement

Angles (Geometry) 
Computer 
Support Material 

[1]

Defines angles and angle measurement through rotation.
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Angles and Angle Terms

Angles (Geometry) 
Computer 
Support Material 

[0]

Provides definitions and illustrations on angles and angle terms.
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Angles and Intersecting Lines

Exterior (Geometry)+ 
JavaScript 
Tool 

[0]

The user learns about angles formed when a transversal cuts two lines, either parallel or intersecting. After viewing examples of the angles formed, users can interactively practice naming the angles...
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Angles, an exploration tool  ...

Angles (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that introduce the concept of an angle.
An angle made from two line segments is shown that the user can adjust by dragging the end points of the seg...
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Arc Central Angle  Math Open ...

Angles (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the the concept of the central angle subtended by an arc.
The applet shows an arc and the corresponding central angle. As the arc en...
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Bisecting an Angle using Compa...

Bisectors (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to bisect an angle using only a compass and straightedge.
The animation can be run either continuously l...
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Central Angle of a Polygon  M...

Angles (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that define and illustrate the central angle of a polygon.
The applet shows the angle and users can experiment by changing the number of sides and res...
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Classifying Angles

Angles (Geometry) 
JavaScript 
Tool 

[0]

The user learns about different angles, including obtuse, acute, straight, right, congruent, and supplementary angles. After viewing some examples of the different types of angles, users can interact...
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Complementary Angles  Math Op...

Angles (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the concept of complementary angles (angles that add to 90°).
The applet shows two angles. You can drag the endpoints of each angle ...
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Congruent Angles  Math Open R...

Angles (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the concept of congruent angles. Three angles are shown which always
remain congruent as you drag any defining point on any angle. ...
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Construct a 45° angle with ...

Angles (Geometry) 
Java Applet 
Tool 

[2]

An interactive applet and associated web page that show how to construct a 45° angle with a compass and straightedge.
The animation can be singlestepped or run as a continuous movie.
...
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