TPettifor – Resources – GeoGebra

Revolution surfaces
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Enlargement
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Theorem 2
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Theorem 1
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Products of segments of secants
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Product of segments of chords in a circle
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Kite deltoid area
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Line plane angle
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'Proof' by geogebra
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upper lower sums
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Enlargements demo
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Quadrilateral midpoints
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PDF cumulative
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Normal distribution
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Tangent limit
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Pyramid in square
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Explore gradients
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Angle bisector
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Perpendicular bisector
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Cos Sin matrix
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Perpendicular gradient
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Matrix transformations
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Exponential and logarithm
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