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Connecting the midpoints of a quadrilateral
Author:
David Wees
,
David Wees
Draw around the points colored in blue. What do you notice about the brown shape? What questions do you have?
GeoGebra
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alg2_05_05_01_applet_exp_2_flvs
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alg2_05_05_01_applet_exp_flvs
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Что в чёрном ящике?
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