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Euclid's Elements, Book I, Def...

Obtuse (Geometry) 
Java Applet 
Tool 

[0]

Gives Euclid's original definitions of an equilateral, isosceles, scalene, rightangled, obtuseangled, and acuteangled triangle and then examines the definitions' validity and durability. To reset t...
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Euclid's Elements, Book II, Pr...

Obtuse (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition states properties about the sides and angles of obtuse triangles. The guide then examines the structure of the proposition. To reset the applet, press "r" while your cursor is ov...
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Triangle Classification

Obtuse (Geometry) 
Java Applet 
Tool 

[0]

An interactive Java Illustration for classification of triangles. The types displayed are scalene, acute, obtuse, right, isosceles, and equilateral.
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Triangle Classification Game

Obtuse (Geometry) 
Java Applet 
Tool 

[1]

In this activity the interactivity attempts to train the user in the classification of triangles with respect to sides and internal angles. The user should move the vertices of a triangle on a square ...
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Triangle Geometry

Obtuse (Geometry) 
Java Applet 
Activity 

[1]

This eModule presents realworld problems that motivate students to work with triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles and s...
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Triangle Geometry

Obtuse (Geometry) 
Java Applet 
Lesson Plan 

[1]

This eModule presents realworld problems that motivate students to work with triangle geometry. Interactive worksheets and diagrams with feedback help students learn to solve for unknown angles and s...
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Triangles

Obtuse (Geometry) 
JavaScript 
Tool 

[0]

The user reviews different classifications of triangles by their sides and angles. After viewing examples, users can interactively practice matching different triangles with their correct classificat...
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Types of Triangles (Acute, Obt...

Obtuse (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the three types of triangle: acute, obtuse and right.
The applet shows a triangle that is initially acute (all angles less t...
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