Van  een  regelmatige
n-hoek, ingeschreven in een cirkel met straal r, is de zijde gelijk aan
A.  \(\large\boldsymbol{2r\sin\frac {180°} {n} }\)
B.  \(\large\boldsymbol{2r\sin\frac {360°} {n} }\)
C.  \(\large\boldsymbol{2r\cos\frac {180°} {n} }\)
D.  \(\large\boldsymbol{r\sin\frac {180°} {n} }\)
E.  \(\large\boldsymbol{r\sin\frac {360°} {n} }\)
                 

[ 3,4-1733 - op net sinds 17.12.12-(E)-30.10.2023 ]

Translation in   E N G L I S H

A regular polygon
with n sides is inscribed
in a circle with radius r.
What is the length of a side
of this regular polygon ? 		A.   \(\boldsymbol{2r\sin\frac {180°} {n} }\)
B.   \(\boldsymbol{2r\sin\frac {360°} {n} }\)
C.   \(\boldsymbol{2r\cos\frac {180°} {n} }\)
D.   \(\boldsymbol{r\sin\frac {180°} {n} }\)
E.   \(\boldsymbol{r\sin\frac {360°} {n} }\)

Oplossing - Solution