Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=183.1087931679 and with side c=34.406593721

#1 Obtuse scalene triangle.

Sides: a = 120   b = 90   c = 183.1087931679

Area: T = 4643.085534782
Perimeter: p = 393.1087931679
Semiperimeter: s = 196.5543965839

Angle ∠ A = α = 34.29875702283° = 34°17'51″ = 0.59986055259 rad
Angle ∠ B = β = 25° = 0.4366332313 rad
Angle ∠ C = γ = 120.7022429772° = 120°42'9″ = 2.10766548147 rad

Height: ha = 77.3854755797
Height: hb = 103.1879674396
Height: hc = 50.71441914089

Median: ma = 131.2033114757
Median: mb = 148.1199064681
Median: mc = 53.553251011

Inradius: r = 23.622244551
Circumradius: R = 106.4799071242

Vertex coordinates: A[183.1087931679; 0] B[0; 0] C[108.7576934444; 50.71441914089]
Centroid: CG[97.28882887077; 16.90547304696]
Coordinates of the circumscribed circle: U[91.55439658394; -54.36660183535]
Coordinates of the inscribed circle: I[106.5543965839; 23.622244551]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 145.7022429772° = 145°42'9″ = 0.59986055259 rad
∠ B' = β' = 155° = 0.4366332313 rad
∠ C' = γ' = 59.29875702283° = 59°17'51″ = 2.10766548147 rad




How did we calculate this triangle?

1. Use Law of Cosines


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