Whakaoti mō r
r=\frac{1}{25\pi }\approx 0.012732395
Tohaina
Kua tāruatia ki te papatopenga
2\pi r=0.08
He hanga arowhānui tō te whārite.
\frac{2\pi r}{2\pi }=\frac{0.08}{2\pi }
Whakawehea ngā taha e rua ki te 2\pi .
r=\frac{0.08}{2\pi }
Mā te whakawehe ki te 2\pi ka wetekia te whakareanga ki te 2\pi .
r=\frac{1}{25\pi }
Whakawehe 0.08 ki te 2\pi .
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