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Math
Triangle Solver
SSS or SAS — sides and angles
Runs locally in your browser
Parameters
Results
- ∠A
- 38.21°
- ∠B
- 60°
- ∠C
- 81.79°
- Area
- 17.3205
How it works
Solve a triangle given three sides (SSS) or two sides and the included angle (SAS).
Who it's for: Geometry students and surveyors working with triangle measurements.
SSS mode finds all angles from three side lengths.
SAS mode uses two sides and the angle between them.
Reports all sides and angles where computable.
How to use
- Select mode: SSS or SAS.
- SSS: enter sides a, b, c.
- SAS: enter sides a, b and angle c in degrees.
- Review computed sides and angles.