Dolores Strom – Resources – GeoGebra

Making Sense of the Pythagorean Theorem
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Dolores Strom
Exploring angles formed by intersecting lines
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Dolores Strom
Exploring Conic Sections
Book
Dolores Strom
Animations of Conic Sections
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Dolores Strom
Fitting a Parabola
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Dolores Strom
Defining an Ellipse by Foci and Sum of Distances
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Dolores Strom
Defining a Parabola in Standard Form
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Dolores Strom
Exploring Conic Sections
Book
Dolores Strom
Drawing a Circle
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Dolores Strom
Exploring Areas of Regular Polygons with fixed perimeter
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Dolores Strom
Exploring Restrictions on Side Lengths in Triangles
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Dolores Strom
Exploring Base & Height in Triangles and Related Parallelograms
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Dolores Strom
Derive the area formula for any parallelogram
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Dolores Strom
Exploring angle types
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Dolores Strom
Exploring angles formed by a transversal
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Dolores Strom
Visual Proof of Algebraic Expansion for (a+b)^2
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Dolores Strom
Determining Whether or Not Two Shapes are Dilated Images of Each Other
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Dolores Strom
Dilation and Similarity Project: Part One
Book
Dolores Strom
Similarity in Everyday Life
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Dolores Strom
Defining Similarity and its Relationship to Dilation
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Dolores Strom
Determining if two shapes are related by dilation
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Dolores Strom
Determining whether Shapes are Similar
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Dolores Strom
Dilations and Area
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Dolores Strom
Similarity Exercise 5
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Dolores Strom