Triangle Solver — SSS
Area 6.000 sq · Perimeter 12.000 · Sides 3.00, 4.00, 5.00
Triangle (drawn to scale)
All sides & angles
Step-by-step calculation
Formula
Law of cosines: c² = a² + b² − 2ab·cos(C). Law of sines: a/sin(A) = b/sin(B) = c/sin(C). Area = ½·ab·sin(C).
- 1Mode: SSS.
- 2Given values produce a triangle with sides 3.00, 4.00, 5.00.
- 3Angles: A=36.87°, B=53.13°, C=90.00° (sum = 180.00°, must be 180°).
- 4Area via SAS formula: ½·3.00·4.00·sin(90.00°) = 6.0000 sq units.
- 5Perimeter: 3.00 + 4.00 + 5.00 = 12.0000 units.