Triangle calculator SAS

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


Acute scalene triangle.

Sides: a = 90   b = 100   c = 80.80773203716

Area: T = 3447.219999404
Perimeter: p = 270.8077320372
Semiperimeter: s = 135.4043660186

Angle ∠ A = α = 58.56603483671° = 58°33'37″ = 1.02220708901 rad
Angle ∠ B = β = 71.44396516329° = 71°26'23″ = 1.24768571375 rad
Angle ∠ C = γ = 50° = 0.8732664626 rad

Height: ha = 76.60444443119
Height: hb = 68.94439998807
Height: hc = 85.31990027384

Median: ma = 78.99331105402
Median: mb = 69.39895634287
Median: mc = 86.12551661455

Inradius: r = 25.45986913626
Circumradius: R = 52.74332325223

Vertex coordinates: A[80.80773203716; 0] B[0; 0] C[28.64772995537; 85.31990027384]
Centroid: CG[36.48548733085; 28.44396675795]
Coordinates of the circumscribed circle: U[40.40436601858; 33.90326963601]
Coordinates of the inscribed circle: I[35.40436601858; 25.45986913626]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 121.4439651633° = 121°26'23″ = 1.02220708901 rad
∠ B' = β' = 108.5660348367° = 108°33'37″ = 1.24768571375 rad
∠ C' = γ' = 130° = 0.8732664626 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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