Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=19.34438762462 and with side c=12.87222907876

#1 Acute scalene triangle.

Sides: a = 43   b = 40   c = 19.34438762462

Area: T = 385.6109589414
Perimeter: p = 102.3443876246
Semiperimeter: s = 51.17219381231

Angle ∠ A = α = 85.36599982427° = 85°21'36″ = 1.49898130188 rad
Angle ∠ B = β = 68° = 1.18768238914 rad
Angle ∠ C = γ = 26.64400017573° = 26°38'24″ = 0.46549557434 rad

Height: ha = 17.93553297402
Height: hb = 19.28804794707
Height: hc = 39.86989057464

Median: ma = 22.90994472677
Median: mb = 26.67656963192
Median: mc = 40.38550667072

Inradius: r = 7.53655674137
Circumradius: R = 21.57106948536

Vertex coordinates: A[19.34438762462; 0] B[0; 0] C[16.10880835169; 39.86989057464]
Centroid: CG[11.8177319921; 13.29896352488]
Coordinates of the circumscribed circle: U[9.67219381231; 19.28107803112]
Coordinates of the inscribed circle: I[11.17219381231; 7.53655674137]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 94.64400017573° = 94°38'24″ = 1.49898130188 rad
∠ B' = β' = 112° = 1.18768238914 rad
∠ C' = γ' = 153.3659998243° = 153°21'36″ = 0.46549557434 rad




How did we calculate this triangle?

1. Use Law of Cosines


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