Triangle calculator SAS

Please enter two sides of the triangle and the included angle
°


Acute scalene triangle.

Sides: a = 100   b = 120   c = 86.19441833973

Area: T = 4242.641068712
Perimeter: p = 306.1944183397
Semiperimeter: s = 153.0977091699

Angle ∠ A = α = 55.12113330792° = 55°7'17″ = 0.96220487503 rad
Angle ∠ B = β = 79.87986669208° = 79°52'43″ = 1.39441457399 rad
Angle ∠ C = γ = 45° = 0.78553981634 rad

Height: ha = 84.85328137424
Height: hb = 70.71106781187
Height: hc = 98.44437817008

Median: ma = 91.73217754421
Median: mb = 71.51772610337
Median: mc = 101.6998774266

Inradius: r = 27.71220919806
Circumradius: R = 60.9488491579

Vertex coordinates: A[86.19441833973; 0] B[0; 0] C[17.5733327643; 98.44437817008]
Centroid: CG[34.58991703468; 32.81545939003]
Coordinates of the circumscribed circle: U[43.09770916986; 43.09770916986]
Coordinates of the inscribed circle: I[33.09770916986; 27.71220919806]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 124.8798666921° = 124°52'43″ = 0.96220487503 rad
∠ B' = β' = 100.1211333079° = 100°7'17″ = 1.39441457399 rad
∠ C' = γ' = 135° = 0.78553981634 rad

Calculate another triangle




How did we calculate this triangle?

1. Calculation of the third side c of the triangle using a Law of Cosines


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