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P.o.t.W. #15

■ No GDC ■ for SL and HL students Show that the area, \(A , of a regular polygon with \(n sides that is inscribed within a circle of radius \(r is given by the formula \(A = \frac{{n{r^2}}}{2}\sin \left( {\frac{{2\pi}}{n}} \right) . PDF: P.o.t.W. #15

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