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## Main Question or Discussion Point

The perimeter

I was curious whether it's possible to approximate the circumference of a circle by taking the limit as

Thank-you

*P*of a regular polygon of*n*sides inscribed in a circle of radius*r*is given by [itex]P = 2nr sin (180^o / n)[/itex].I was curious whether it's possible to approximate the circumference of a circle by taking the limit as

*n*goes to infinity of the above perimeter equation is some way?Thank-you