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Resource Name 
Topic (Course) 
Technology 
Type 
$? 
Rating 

Congruent Triangles SSS  Math...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that show how triangles that have all 3 sides the same length must be congruent.
The applet shows two triangles, one of which can be reshaped by dragg...
More: lessons, discussions, ratings, reviews,...

Construct 30690 triangle. M...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep animated instructions on how to
contruct 306090 triangle with given base length
using only a compass and straightedge.
...
More: lessons, discussions, ratings, reviews,...

Construct a median of a triang...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to find
a median of a triangle using only a compass and straightedge.
The method used involves bisecti...
More: lessons, discussions, ratings, reviews,...

Construct a triangle given thr...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep animated instructions on how to
construct a triangle given all three sides (SSS),
using only a compass and straightedge.
<...
More: lessons, discussions, ratings, reviews,...

Construct a triangle given two...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep animated instructions on how to
contruct a triangle given two angles and the included side length (ASA),
using only a compa...
More: lessons, discussions, ratings, reviews,...

Construct a triangle given two...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep animated instructions on how to
contruct a triangle given two sides and the included angle (SAS),
using only a compass and ...
More: lessons, discussions, ratings, reviews,...

Construct the Circumcircle of ...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to find
the circumcircle of a triangle using only a compass and straightedge.
The method used involves...
More: lessons, discussions, ratings, reviews,...

Construct the centroid of a tr...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to find
the centroid of a triangle using only a compass and straightedge.
The method used involves con...
More: lessons, discussions, ratings, reviews,...

Copying a Triangle with Compas...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that provide stepbystep instructions on how to copy a given triangle
using only a compass and straightedge.
The animation can be run ei...
More: lessons, discussions, ratings, reviews,...

Dynamic Geometry Exploration: ...

Triangles (Geometry) 
Java Applet 
Tool 

[0]

This sketch allows students to explore the Triangle Inequality Theorem, the sum of the lengths of 2 sides of a triangle are greater than the length of the 3rd side. By dragging vertices and looking a...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

Gives Euclid's original definition of a rectilinear figure and then examines the definition's validity and durability. To reset the applet, press "r" while your cursor is over the diagram.
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that the sum of two angles of a triangle is always less than the measure of two right angles. The guide then examines the structure of the proposition. To reset the applet...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[1]

Euclid's proposition shows that the angle opposite the greatest side of a triangle is greatest. The guide then examines the structure of the proposition. To reset the applet, press "r" while your cu...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that the side opposite the greatest angle of a triangle is greatest. The guide then examines the structure of the proposition. To reset the applet, press "r" while your cu...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that the sum of any two sides of a triangle is greater than the measure of the remaining side. The guide then examines the structure of the proposition. To reset the apple...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition has properties about a new constructed interior triangle. The guide then examines the structure of the proposition. To reset the applet, press "r" while your cursor is over the ...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that in order to construct a triangle out of three given segments, the sum of any two of the three segments must be greater than the measure of the remaining side. The guid...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows how to construct an angle equal to another given angle. The guide then examines the structure of the proposition. To reset the applet, press "r" while your cursor is over ...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that for two triangles with two equal sides but with the angle between these two equal sides unequal, the triangle with the greater angle has the greater base. The guide th...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that for two triangles with two equal sides but with unequal bases, then the angle between the equal sides will be greater for the triangle with the greater base. The guide...
More: lessons, discussions, ratings, reviews,...

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

Triangles (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows that the sum of the interior angles of a triangle is the measure of two right angles (180 degrees). The guide then examines the structure of the proposition. To reset the ...
More: lessons, discussions, ratings, reviews,...

Heron's Formula  Math Open Re...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate how Herons Formula can be
used to find the area of a triangle when you know all three sides. A triangle is shown where the user can ...
More: lessons, discussions, ratings, reviews,...

Incircle of a Triangle  Math ...

Triangles (Geometry)+ 
Java Applet 
Tool 

[0]

A web page and interactive applet demonstrating the concept of the incircle of a triangle  the largest circle the will fit inside a triangle.
The applet shows a triangle where the user ...
More: lessons, discussions, ratings, reviews,...

Medians of a Triangle  Math O...

Triangles (Geometry) 
Java Applet 
Tool 

[0]

A web page and interactive applet illustrating the medians of a triangle.
The applet shows a triangle where the user can drag the vertices to reshape it. As the triangle is being resha...
More: lessons, discussions, ratings, reviews,...

Midsegment (midline) of a Tria...

Triangles (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrates the midsegment (midline) of a triangle.
A triangle is shown that the user can reshape by dragging any vertex. As it is being dragge...
More: lessons, discussions, ratings, reviews,...

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