HacksDomain

Geometry calculators

Triangle Calculator

Solve triangles from sides and angles, including both SSA solutions.

Runs on your device · No input uploads

Your inputs

Sample values are ready to try. Replace them with your own.

Result

LOCAL

Enter your values, then choose Calculate.

How this tool works

Side letters are opposite the corresponding angles. Uses the sine rule, cosine rule and Heron’s formula. Some SSA inputs have two valid solutions; both are returned. Diagrams use the first solution and a consistent side-length unit.