Anthony Shaw – Resources – GeoGebra

Reflection through line
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Anthony Shaw
interior exterior harmonic points C, D relative to A, B
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Ellipse - radii to tangent have same angle to the tangent
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quadrilateral parallelogram
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Mind Your Decisions Apr 24 2020 solution
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Line through movable point A tangent to circle of radius R
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sum 2 vectors as vector of midpoints
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Eliezer centroid of triangle
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max area rectangle in ellipse
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Ellipsoid with max volume rectangular block inside
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Brachistochrone curve from the origin to the point A
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Eclipse Model
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Catenary Curve of Length S, hanging from points A and B
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Torpedo Pursuit of Enemy Ship (Apollonius Circle)
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Inversion in a circle of a circle
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Inversion in a circle of a point (compass only)
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Anthony Shaw
Fagnano's Problem
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Circle through a pair of inverse points
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Inversion of a single point - geometric construction
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Orthogonal circles
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Inversion in a circle of a circle
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Inversion in a circle of a line
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Inversion in a circle of two points => similar triangles
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Anthony Shaw
Inversion in a circle of a point
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Anthony Shaw