Gacan (Joomitiri)

Gacan ingiriis Radius oo loola jeedo Dhexroorka Barkiis, waxa ayna tahay Xariiqa bar dhexaadka Wareega Goobo ama Kubad ${\displaystyle r={\frac {c}{2\pi }$

Gacan ka goobo Bed A Waa

${\displaystyle r={\sqrt {\frac {A}{\pi }.}$