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General / Geometry
Triangle Solver
Solve valid triangles from common side-and-angle combinations.
Known dimensions
Solved triangle
Area6 mm²
Perimeter 12 mm
- Sides a · b · c
- 3 · 4 · 5 mm
- Angles A · B · C
- 36.8699° · 53.1301° · 90°
- Area
- 6 mm²
- Perimeter
- 12 mm
Side labels are opposite their matching capital-letter angles. SAS uses angle C between sides a and b; right-triangle modes use c as the hypotenuse.