Curved Surface Area of Cones (Combined Version)

See how the curved surface of the cone can be flattened to a sector, which then be dissected and rearranged to see that its area is π r l, where r and l are the base radius and the slant height of the cone respectively. This applet combines the previous 3D applet ([url]206987[/url] or [url]166737[/url]) and its 2D counterpart ([url]161406[/url]) in a single applet. Anthony C.M. Or GeoGebra Institute of Hong Kong

 

Anthony OR 柯志明

 
Resource Type
Activity
Tags
3d  area  cone  cones  curved  exploration  surface 
Target Group (Age)
14 – 18
Language
English
 
 
License
CC-BY-SA, GeoGebra Terms of Use
Based Upon
Curved Surface Area of Cones
Shared by Anthony OR 柯志明
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