Results
Fill in the known values and press Compute to see a full solution.
Diagram
FAQ
Which inputs does this triangle solver support?
The calculator supports SSS, SAS, ASA/AAS, and SSA. SSA automatically checks whether zero, one, or two valid triangles exist and lets you switch between both solutions.
How are the steps calculated?
Angles and missing sides use the law of cosines or the law of sines depending on the mode. Every run shows Heron’s formula, semiperimeter, inradius, circumradius, heights, medians, and angle bisectors alongside an annotated diagram.
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