Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=10.6699446486 and with side c=2.43659276776

#1 Obtuse scalene triangle.

Sides: a = 6.8   b = 4.5   c = 10.6699446486

Area: T = 9.69443708788
Perimeter: p = 21.9699446486
Semiperimeter: s = 10.9854723243

Angle ∠ A = α = 23.81876342374° = 23°49'3″ = 0.41656961375 rad
Angle ∠ B = β = 15.5° = 15°30' = 0.27105260341 rad
Angle ∠ C = γ = 140.6822365763° = 140°40'57″ = 2.45553704821 rad

Height: ha = 2.85112855526
Height: hb = 4.30986092795
Height: hc = 1.81772209573

Median: ma = 7.44987276873
Median: mb = 8.65988708363
Median: mc = 2.18876306636

Inradius: r = 0.88325321007
Circumradius: R = 8.41994494556

Vertex coordinates: A[10.6699446486; 0] B[0; 0] C[6.55326870818; 1.81772209573]
Centroid: CG[5.74107111893; 0.60657403191]
Coordinates of the circumscribed circle: U[5.3354723243; -6.51436669439]
Coordinates of the inscribed circle: I[6.4854723243; 0.88325321007]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 156.1822365763° = 156°10'57″ = 0.41656961375 rad
∠ B' = β' = 164.5° = 164°30' = 0.27105260341 rad
∠ C' = γ' = 39.31876342374° = 39°19'3″ = 2.45553704821 rad




How did we calculate this triangle?

1. Use Law of Cosines


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