Walbati 90°

Walbati $\displaystyle 90^{\circ}$. Bësal , bindal 90, ba noppi bësal ak . $\displaystyle 90^{\circ}$ mooy 1.570796327 radiaŋ, di $\displaystyle \frac{\pi}{2}$. Bësaatal ak : 100. grad. Te benn yoon ati, , : dellu ci 90. degre.

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