Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=9.93298460877 and with side c=1.64765512009

#1 Obtuse scalene triangle.

Sides: a = 6.2   b = 4.7   c = 9.93298460877

Area: T = 11.03114696034
Perimeter: p = 20.83298460877
Semiperimeter: s = 10.41549230439

Angle ∠ A = α = 28.21223488407° = 28°12'44″ = 0.4922398377 rad
Angle ∠ B = β = 21° = 0.36765191429 rad
Angle ∠ C = γ = 130.7887651159° = 130°47'16″ = 2.28326751337 rad

Height: ha = 3.55985385818
Height: hb = 4.69442423844
Height: hc = 2.22218812872

Median: ma = 7.12329152503
Median: mb = 7.93771545067
Median: mc = 2.3769501882

Inradius: r = 1.05991983788
Circumradius: R = 6.55875060576

Vertex coordinates: A[9.93298460877; 0] B[0; 0] C[5.78881986443; 2.22218812872]
Centroid: CG[5.2399348244; 0.74106270957]
Coordinates of the circumscribed circle: U[4.96549230439; -4.28437395888]
Coordinates of the inscribed circle: I[5.71549230439; 1.05991983788]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 151.7887651159° = 151°47'16″ = 0.4922398377 rad
∠ B' = β' = 159° = 0.36765191429 rad
∠ C' = γ' = 49.21223488407° = 49°12'44″ = 2.28326751337 rad




How did we calculate this triangle?

1. Use Law of Cosines


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