What this calculator does
This calculator is designed for common triangle homework, geometry, construction, and measurement problems where you know some sides or angles and need the rest.
AAS / ASAUse two angles and one side.
SSA cautionSSA may be ambiguous.
Formulaa/sin(A) = b/sin(B) = c/sin(C).
For classroom work, check the required rounding rules and whether angles are in degrees or radians. This page uses degrees.
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