Circles-formulae and practice

What is the formulae for arc length in radians

l=rø

What is the formulae of arc length in degrees

Ø/360 x pi r²

What is the formula for the area of a sector in radians

A=1/2 x r² x Ø

What is the formulae for the area of a sector in degrees

Ø/360 x pi x r²

What is the formulae for the area of a segment in radians

A=1/2 x r²(Ø-SinØ)

What is the formulae for the area of a segment in radians

A=1/2 x r² x ((pi/180)Ø-SinØ)