Whakaoti mō r
r=\frac{c}{2\pi }
Whakaoti mō c
c=2\pi r
Tohaina
Kua tāruatia ki te papatopenga
2\pi r=c
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
\frac{2\pi r}{2\pi }=\frac{c}{2\pi }
Whakawehea ngā taha e rua ki te 2\pi .
r=\frac{c}{2\pi }
Mā te whakawehe ki te 2\pi ka wetekia te whakareanga ki te 2\pi .
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