Triangle Solver △

About Triangle Solver

Calculate unknown sides and angles of a triangle based on three known values.

Features

  • SSS (3 sides known)
  • SAS (2 sides, 1 angle known)
  • ASA (2 angles, 1 side known)
  • Complete solution

How to Use

  1. Choose a method (SSS, SAS, ASA).
  2. Enter the known values.
  3. Click Solve to calculate remaining values.
  4. View all sides and angles.

Used Formulas

Law of Cosines: c² = a² + b² - 2ab cos(C)
Law of Sines: a/sin(A) = b/sin(B) = c/sin(C)
Angle Sum: A + B + C = 180°