Engeza kuzintandokazi
Susa kusukela kuzintandokazi
Selilonke of a circle (azungezwe a circle) ifomula wokubala
Circumferenc sombuthano (azungezwe a circle) formula wokubala ikuvumela ukuba uthole selilonke (azungezwe) wombuthano, by the formula, usebenzisa engaba umbuthano.