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Technology 
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Euclid's Elements, Book 3, Pro...

Arcs (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...

Arcs (Geometry) 
Java Applet 
Tool 

[0]

Euclid's proposition shows how to bisect a given arc on 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 3, Pro...

Arcs (Geometry)+ 
Java Applet 
Tool 

[0]

Euclid's proposition shows how to cut an arc equal to a given length and with a given angle (to a tangent of the circle). The guide then examines the structure of the proposition. The To reset the a...
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Inscribed Angles

Arcs (Geometry)+ 
Java Applet 
Tool 

[0]

An interactive Java illustration of the theorem of the angles inscribed into a circle. Inscribed angles subtended by the same asrc are equalas stated in Proposition III.21 of Euclid's Elements. The ...
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Intercepted arc  Math Open Re...

Arcs (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate the concept of the intercepted arc 
"That part of a circle that lies between two lines that intersect it".
The applet shows a circl...
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Major / Minor Arcs  Math Open...

Arcs (Geometry) 
Java Applet 
Tool 

[0]

An interactive applet and associated web page that demonstrate major and minor arcs. The applet shows a circle with two points
on it that can be dragged. The minor and major arcs they define are...
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Area Discussion

Area (Math 3)+ 
Java Applet 
Support Material 

[0]

A dialogue between a student and a mentor about finding areas of irregular shapes on a grid.
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Grid Area of a Circle Estimati...

Area (Math 4)+ 
Java Applet 
Tool 

[1]

Given a grid, increase or decrease the number of squares on the grid or to approximate the grid area of a circle.
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Area

Area (Math 6)+ 
Java Applet 
Lesson Plan 

[0]

Introduces the concept of area.
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Area Explorer

Area (Math 6)+ 
Java Applet 
Tool 

[1]

This activity allows users to test their skill at calculating the area of a random shape.
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Area of a Parallelogram

Area (Math 7)+ 
Java Applet 
Tool 

[1]

Illustrates and defines the formula for the area of a parallelogram. From Illuminations' IGD: Interactive Geometry Dictionary.
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Area of a Rectangle

Area (Math 7)+ 
Java Applet 
Tool 

[0]

Illustrates and defines the formula for the area of a rectangle. From Illuminations' IGD: Interactive Geometry Dictionary.
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Area of a Rectangle  Math Ope...

Area (Math 7)+ 
Java Applet 
Tool 

[0]

A web page and interactive applet showing the ways to calculate the area of a rectangle. The user can drag the vertices of the rectangle and the other points change automatically to ensure it rem...
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Area of a Triangle

Area (Math 7)+ 
Java Applet 
Tool 

[0]

Illustrates and defines the formula for the area of a triangle. From Illuminations' IGD: Interactive Geometry Dictionary.
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Basic Areas  of a Rectangle a...

Area (Math 7)+ 
Java Applet 
Tool 

[1]

This applet has you manipulate a rectangle and triangle in order to discover the area formulas.
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Area Between Curve and Axis

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

See the area between a curve and the xaxis.
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Area Bounded by a Parametric C...

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

Calculates the area of a region given by a parametric equation.
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Area Function

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

Compare graphs of a function and the area underneath the function.
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Area between two curves

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

Discusses the method for finding the area between two curves.
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Area between two curves

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

Calculates the area of the region bounded by the curves f(x) = x^2 and g(x) = x^3.
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Area between two curves

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

Calculates the area of the region bounded by the curves f(x) = x^4+2x^2 and g(x) = 28x^2.
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Area between two curves

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

Calculates the area of the region bounded by the curves f(x) = x^3 and g(x) = x.
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Area between two curves

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

Calculates the area of the region bounded by the curves f(x) = x^3, g(x) = x, and h(x) = 1/x^2.
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Area between two curves

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

Calculates the area of the region bounded by the curves f(x) = e^(x), g(x) = e^(2x), and h(x) = 7.
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Area between two curves

Area of a region (Calculus) 
Java Applet 
Tool 

[0]

Discusses how to find the area between two curves using functions defined in terms of y instead of x.
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