The area of a sector of a ring (C) online calculator

Online calculator which will help you to find the area of the ring sector in degrees.
The ring sector is part of the circle which is limited by the inner arc ring, the outer arc of the ring and two external radii of the ring, the area of a sector of a ring is computed as the difference of the squares of the larger and smaller sectors of the circle.

Indicate the angle of the sector of the ring in degrees
Specify the outer radius of the ring
Indicate the inner radius of the ring

S =
Нахождение площади сектора кольца градусы.