Arch swnamna bagwi blank lekhana bagwi lekhana
R1 - Arch ni bisingo tongnai.
R2 - Arch ni phatarni radius.
S - Arch ni segment ni mung.
U - Kaisa sektar ni angle.
Program ni phan.
Buphangni arch swnamna bagwi aboni rangchak tei rangchakni rangchakno swngwi naimani.