Radians as Percentages

θ

π

3

angle θ =

π

3

rad

=

1.0472 rad

The sector is

1

3

of the semicircle.

The arc is

104.72 %

of the radius.

Drag the slider to vary the angle in radians as fractions and multiples of

π

. The Demonstration gives the corresponding sector as fractions and multiples of the semicircle. Radians as decimals give the arc as a percentage of the radius.