Dandelin Spheres (includes parabola)

This applet explains why parabola, ellipse and hyperbola defined geometrically are the same curves as conic sections.

 

Tibor Marcinek

 
資源型態
活動
標籤
conic-sections  parabola  sphere 
適合年齡
3 – 19+
語言
English
 
 
 
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