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Printable compass / straighted...	Straightedge and compass (Geometry)	Flash	Activity	[2]
A web page that contains a list of 35 printable worksheets for compass and straightedge constructions. Each printable sheet has 2 or 3 problems and links back to the pages interactively explaining th... More: lessons, discussions, ratings, reviews,...
Construct a 90 deg angle with ...	Straightedge and compass (Geometry)	Java Applet	Activity	[0]
An interactive applet and associated web page that show how to construct a 90° right angle with a compass and straightedge. The animation can be single-stepped or run as a continuous movie. <... More: lessons, discussions, ratings, reviews,...
Constructions of Equilateral a...	Straightedge and compass (Geometry)	Sketchpad	Activity	[0]
Students will discuss the difference between drawing and constructing a triangle using The Geometer’s Sketchpad. They will further develop constructions for both isosceles and equilateral triangles. ... More: lessons, discussions, ratings, reviews,...
Paper Cup Mathematics	Straightedge and compass (Geometry)	Sketchpad	Lesson Plan	[0]
Imagine a discarded paper cup rolling on its side of a flat surface. What geometric shape does the path of the cup form? Students investigate this question and begin the activity by experimenting wit... More: lessons, discussions, ratings, reviews,...
Brianchon's First Theorem	Straightedge and compass (Geometry)	Cabri	Tool	[0]
A Cabri *.fig file written to illustrate Brianchon's First Theorem which can be stated, "If AB, CD, and EF are concurrent at X, and BC, DE, and FA are concurrent at Y, then AD, BE, and CF are concurre... More: lessons, discussions, ratings, reviews,...
Brianchon's Theorem	Straightedge and compass (Geometry)	Cabri	Tool	[0]
A Cabri *.fig file written to illustrate Brianchon's Theorem which can be stated, "If each side of a hexagon touches a conic, then its diagonals are concurrent." More: lessons, discussions, ratings, reviews,...
Desargues Theorem	Straightedge and compass (Geometry)	Cabri	Tool	[0]
A Cabri *.fig file written to illustrate Desargues Theorem which can be stated, "If the lines joining corresponding vertices of two triangles are concurrent, then the intersections of corresponding si... More: lessons, discussions, ratings, reviews,...
La Hire's Theorem	Straightedge and compass (Geometry)	Cabri	Tool	[0]
A Cabri *.fig file written to illustrate La Hire's Theorem which can be stated, "If P lies on the polar of Q, then Q lies on the polar of P." More: lessons, discussions, ratings, reviews,...
Pappus's Theorem	Straightedge and compass (Geometry)	Cabri	Tool	[0]
A Cabri *.fig file written to illustrate Pappus's Theorem which can be stated, "If alternate vertices of a hexagon are collinear, then the intersections of opposite sides are collinear." More: lessons, discussions, ratings, reviews,...
Pascal's Theorem	Straightedge and compass (Geometry)	Cabri	Tool	[0]
A Cabri *.fig file written to illustrate Pascal's Theorem which can be stated, "If the vertices of a hexagon lie on a conic, then the intersections of opposite sides are collinear." More: lessons, discussions, ratings, reviews,...
The 3 Tangents Theorem	Straightedge and compass (Geometry)	Cabri	Tool	[0]
A Cabri *.fig file written to illustrate The 3 Tangents Theorem which can be stated, "If the triangle ABC touches the conic at P, Q, and R as shown, then AP, BQ, and CR are concurrent." More: lessons, discussions, ratings, reviews,...
The 3 Tangents and 3 Chords Th...	Straightedge and compass (Geometry)	Cabri	Tool	[0]
A Cabri *.fig file written to illustrate The 3 Tangents and 3 Chords Theorem which can be stated, "Triangle ABC is inscribed in a conic. If the tangent at A meets the chord BC at P, the tangent at B m... More: lessons, discussions, ratings, reviews,...
The Converse of Pascal's Theor...	Straightedge and compass (Geometry)	Cabri	Tool	[0]
A Cabri *.fig file written to illustrate The Converse of Pascal's Theorem which can be stated, "If the points A, B, C, D, E, F are such that the intersections of AC and BD, of AE and DF, and of BE and... More: lessons, discussions, ratings, reviews,...
Geometria	Straightedge and compass (Geometry)	Computer	Tool	[0]
Geometria is free (GPL) cross-platform software based on a two-role (teacher, student) model. The teacher creates a problem, provides it with an answer and saves the problem in a file. The student ope... More: lessons, discussions, ratings, reviews,...
Constructing a hexagon inscrib...	Straightedge and compass (Geometry)	Flash	Tool	[0]
An interactive applet and associated web page that provide step-by-step instructions on how to construct a hexagon inscribed in a circle using only a compass and straightedge. The method begin... More: lessons, discussions, ratings, reviews,...
Constructing a pentagon inscri...	Straightedge and compass (Geometry)	Flash	Tool	[0]
An interactive applet and associated web page that provide step-by-step instructions on how to construct a pentagon inscribed in a circle using only a compass and straightedge. The method begins... More: lessons, discussions, ratings, reviews,...
Constructing a regular hexagon...	Straightedge and compass (Geometry)	Flash	Tool	[0]
An interactive applet and associated web page that provide step-by-step instructions on how to construct a regular hexagon using only a compass and straightedge. The method begins with a line se... More: lessons, discussions, ratings, reviews,...
Bisecting a Line using Compass...	Straightedge and compass (Geometry)	Java Applet	Tool	[1]
An interactive applet and associated web page that provide step-by-step instructions on how to bisect a line using only a compass and straightedge. The animation can be run either continuously lik... More: lessons, discussions, ratings, reviews,...
Bisecting an Angle using Compa...	Straightedge and compass (Geometry)	Java Applet	Tool	[0]
An interactive applet and associated web page that provide step-by-step instructions on how to bisect an angle using only a compass and straightedge. The animation can be run either continuously l... More: lessons, discussions, ratings, reviews,...
Construct 30-6-90 triangle. M...	Straightedge and compass (Geometry)	Java Applet	Tool	[0]
An interactive applet and associated web page that provide step-by-step animated instructions on how to contruct 30-60-90 triangle with given base length using only a compass and straightedge. ... More: lessons, discussions, ratings, reviews,...
Construct Tangents from a Poin...	Straightedge and compass (Geometry)	Java Applet	Tool	[0]
An interactive applet and associated web page that demonstrate how to construct the two possible tangents to a circle from an external given point, using compass and straightedge. It starts wi... More: lessons, discussions, ratings, reviews,...
Construct a 45° angle with ...	Straightedge and compass (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 single-stepped or run as a continuous movie. ... More: lessons, discussions, ratings, reviews,...
Construct a Parallel through a...	Straightedge and compass (Geometry)	Java Applet	Tool	[0]
An interactive applet and associated web page that provide step-by-step animated instructions on how to construct a line parallel to a given line through a given point off the line. ... More: lessons, discussions, ratings, reviews,...
Construct a circle Through 3 P...	Straightedge and compass (Geometry)	Java Applet	Tool	[1]
An interactive applet and associated web page that demonstrate how to construct the circle that passes through all three given points. The applet starts with three given points and the user can si... More: lessons, discussions, ratings, reviews,...
Construct a median of a triang...	Straightedge and compass (Geometry)	Java Applet	Tool	[0]
An interactive applet and associated web page that provide step-by-step 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,...
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