Area of Circles 圓面積

understand the formula of area of circles. Reference: [url]http://www.geogebratube.org/material/show/id/279[/url]

 

Alex CHIK

 
Materialtyp
Aktivität
Tags
cirlce  exploration 
Zielgruppe (Alter)
11 – 14
Sprache
English (United States)
 
 
 
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