Ed Johnson – Resources – GeoGebra

Phi in Constructions (Golden Ratio)
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Ed Johnson
Quadrilateral Challenge
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Trig Ratios
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Rotational Transformations
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Ed Johnson
Composition of Transformations
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Ed Johnson
Quadratics Vertex Form
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Ed Johnson
3Act Spokes
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3Act Spokes
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Ed Johnson
Intersecting Secants - Lengths
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Ed Johnson
Intersecting Secants - Angles
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Ed Johnson
Intersecting Chords - Length
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Ed Johnson
Right Triangle Trig Ratios
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Ed Johnson
Right Triangle Trig
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Ed Johnson
Right Triangle Trig
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Ed Johnson
Angle Bisector Proportionality Theorem
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Ed Johnson
Draw a parallel line without parallel tool.
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Ed Johnson
Pythagorean Theorem Proof without Words
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Ed Johnson
Proofs Without Words
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Ed Johnson
POW #23 Circle and points
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Ed Johnson
converse of pythagorean theorem
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Ed Johnson
converse of pythagorean theorem
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Ed Johnson
converse
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Ed Johnson
Park Sprinkler
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Ed Johnson
Meet for Lunch
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Ed Johnson