Geometry

Segment Area Calculator

Area of a circular segment from radius and central angle in degrees.

Segment area

This free Segment Area Calculator covers Area of a circular segment from radius and central angle in degrees.

Segment area is the sector minus the triangular portion. Other geometry tools are linked below.

Segment Area Calculator — how it works

Area of a circular segment from radius and central angle in degrees. Typical inputs are Radius r and Central angle (°). How it works beside the form states the identity the Segment Area Calculator applies.

FAQ

How do I use the Segment Area Calculator?

Open the Segment Area Calculator, fill Radius r and Central angle (°), and read the result. Segment area is the sector minus the triangular portion.

What formula does the Segment Area Calculator use?

The Segment Area Calculator uses the identity in How it works. In words: Segment area is the sector minus the triangular portion.

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