Culculator me kwano wel ma odong me yubu gin ma ki lwongo ni arch
R1 - Radius ma iye pa arch.
R2 - Radius me woko pa arch.
S - Wel dul ma ki lwongo ni arch.
U - Angle me dul ma ki lwongo ni circle.
Ker pa yub.
Kwano dit pa jami ki wel jami ma ki bi tiyo kwede me yubu gin ma ki yubu ki bao.