cCalmCalc
MATH

Triangle Calculator

Solve Triangle with a transparent method.

Which measurements are known?Choose the three measurements you know. Angles can be entered in degrees or radians.
4 options
TRIANGLE6 m²

SSS · three sides: Solves SSS, SAS, ASA, or AAS triangles with the laws of cosines and sines, then reports every side, angle, area, and perimeter.

Side a
3
Side b
4
Side c
5
Angle A
36.86989765°
Angle B
53.13010235°
Angle C
90°
Area
6
Perimeter
12
Estimate based on the values shown
Formula checkedSolves SSS, SAS, ASA, or AAS triangles with the laws of cosines and sines, then reports every side, angle, area, and perimeter.