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Resource Name	Topic (Course)	Technology	Type	Rating
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Quadrilaterals	Trapezoid (Geometry)	Sketchpad	Activity	[0]
Investigate the parallelogram, rectangle, square, rhombus, and isosceles trapezoid. Includes an activity in PDF format and a prepared sketch. More: lessons, discussions, ratings, reviews,...
The Trapezoid	Trapezoid (Geometry)	Computer	Support Material	[1]
Provides the defining properties of a trapezoid. More: lessons, discussions, ratings, reviews,...
Area of a Trapezoid - Math Ope...	Trapezoid (Geometry)	Java Applet	Tool	[0]
A web page and interactive applet showing the ways to calculate the area of a trapezoid. The user can drag the vertices of the trapezoid and the other points change automatically to ensure it remai... More: lessons, discussions, ratings, reviews,...
Classifying Quadrilaterals Vis...	Trapezoid (Geometry)	Java Applet	Tool	[0]
In this activity, you will visually explore the relationship between several different quadrilaterals and eventually classify them in the form of a 'family tree'. After an introduction to a square and... More: lessons, discussions, ratings, reviews,...
Dynamic Geometry Exploration: ...	Trapezoid (Geometry)	Java Applet	Tool	[1]
Two interactive trapezoids for students to use to make conjectures about midsegments. The second one allows the user to collapse the trapezoid to a triangle and make a conjecture about the relationsh... More: lessons, discussions, ratings, reviews,...
Median of a Trapezoid - Math O...	Trapezoid (Geometry)	Java Applet	Tool	[0]
An interactive applet and associated web page that demonstrate the median line of a trapezoid (line linking midpoints of non-parallel sides). The applet shows a trapezoid with all vertices drag... More: lessons, discussions, ratings, reviews,...
Perimeter of a trapezoid - Mat...	Trapezoid (Geometry)	Java Applet	Tool	[0]
A web page and interactive applet show how to compute the perimeter of a trapezoid. A trapezoid is shown that can be resized by dragging its vertices. As you drag, the perimeter is continuously... More: lessons, discussions, ratings, reviews,...
Tetragon, definition and prope...	Trapezoid (Geometry)	Java Applet	Tool	[0]
A web page and interactive applet illustrating the properties of a tetragon (4 sided polygon, aka quadrilateral). The applet shows a tetragon where the user can drag any vertex to reshape... More: lessons, discussions, ratings, reviews,...
Trapezoid, definition and pro...	Trapezoid (Geometry)	Java Applet	Tool	[0]
A web page and interactive applet showing the definition and properties of a trapezoid. The applet shows a trapezoid where the user can drag any vertex. The other points then move in such... More: lessons, discussions, ratings, reviews,...
Quadrilaterals	Trapezoid (Geometry)	JavaScript	Tool	[0]
The user reviews quadrilaterals and the special quadrilaterals commonly used in geometry. After viewing examples, users can interactively test their understanding of the different properties of quadr... More: lessons, discussions, ratings, reviews,...
Quadrilaterals	Trapezoid (Geometry)	Sketchpad	Tool	[0]
Investigate the parallelogram, rectangle, square, rhombus, and isosceles trapezoid. Includes an activity in PDF format and a prepared sketch. More: lessons, discussions, ratings, reviews,...
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