Triangle Solver

Solve any triangle from 3 known values

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About Triangle Solver

A triangle solver that finds all unknown sides and angles given enough known values. Supports SSS, SAS, ASA, AAS configurations using the law of sines and law of cosines. Calculates area (Hero's formula, base×height/2), perimeter, circumradius, inradius, and classifies the triangle type. All calculations are client-side. Essential for trigonometry and geometry students.

Triangle Solver Features

  • SSS/SAS/ASA/AAS
  • Law of sines/cosines
  • Area & perimeter
  • Classification
  • Circumradius
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