Tīpoka ki ngā ihirangi matua
Aromātai
Tick mark Image

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

\frac{1}{4}\times 20\pi
Whakahekea te hautanga \frac{90}{360} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 90.
\frac{20}{4}\pi
Whakareatia te \frac{1}{4} ki te 20, ka \frac{20}{4}.
5\pi
Whakawehea te 20 ki te 4, kia riro ko 5.