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    James Rakos uploaded a new app: Limit Derivation of… 11 years, 5 months ago

    This app shows a way to find the value of PI using a limit. As the number of sides in a regular polygon increases, the perimeter gets closer to the value of 2*radius*PI. From this, PI can be determined to be:

    limit as n->infinity for 2*r*n*sin(180/n)

    Where n is the number of sides and r is the radius.