Triangle Calculator

Calculate missing triangle sides and angles. Area, perimeter, height with any 3 values. Free trigonometry calculator with step-by-step solutions.

Triangle Input

C A B b a c

Angles

°
°
°

Sides

Triangle Properties

How to Use

Enter any 3 values including at least 1 side to solve the triangle. The calculator supports:

  • SSS: Three sides
  • SAS: Two sides and included angle
  • ASA/AAS: Two angles and one side
  • SSA: Two sides and non-included angle