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Copia de Polar Conics Eccentricity & Directrix
Author:
Victor Cruz
,
Doug Kuhlmann
User can change eccentricity and directrix. One focus always at (0,0)
GeoGebra
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Understanding parallel lines and angle pairs.
triangle construction
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Discovering Properties of Kites (Scaffolded Inv…
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Bar Chart or Bar Graph
Mathematics
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