Geometry
Segment Area Calculator
Area of a circular segment from radius and central angle in degrees.
Free to use — no sign-up or login.
Segment area
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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. Related geometry tools sit beside How it works, with no account required.
Using the Segment Area Calculator
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.