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Triangle Calculator

Solve any triangle given SSS, SAS, ASA, or AAS.

Enter all three sides (a, b, c)

5
Side a
6
Side b
7
Side c
44.4153Β°
Angle A
57.1217Β°
Angle B
78.463Β°
Angle C
14.6969
Area
18
Perimeter

Solving Methods

  • SSS β€” Three sides known β†’ use Law of Cosines to find angles.
  • SAS β€” Two sides and included angle β†’ use Law of Cosines for third side.
  • ASA β€” Two angles and included side β†’ use Law of Sines.
  • AAS β€” Two angles and a non-included side β†’ use Law of Sines.