Thursday, August 16, 2012

Circle Area Approximation

Move slider r to change the length of the radius and move slider n to the extreme right. What do you observe? 

This is a Java Applet created using GeoGebra from - it looks like you don't have Java installed, please go to
Linda Fahlberg Stojanovska, August 2011, Created with GeoGebra

The applet above shows that as the number of divisions of a circle with radius r increases, the sectors can be arranged into a rectangle with base πr and base r



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