Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=28.0543789651 and with side c=2.03215579716

#1 Obtuse scalene triangle.

Sides: a = 15.73   b = 13.8   c = 28.0543789651

Area: T = 64.51097863024
Perimeter: p = 57.5843789651
Semiperimeter: s = 28.79218948255

Angle ∠ A = α = 19.46768474254° = 19°28'1″ = 0.34397605826 rad
Angle ∠ B = β = 17° = 0.29767059728 rad
Angle ∠ C = γ = 143.5333152575° = 143°31'59″ = 2.50551260982 rad

Height: ha = 8.20221343042
Height: hb = 9.34992443917
Height: hc = 4.59990069153

Median: ma = 20.66108163413
Median: mb = 21.67105792929
Median: mc = 4.7109848358

Inradius: r = 2.24105536938
Circumradius: R = 23.66000949768

Vertex coordinates: A[28.0543789651; 0] B[0; 0] C[15.04326738113; 4.59990069153]
Centroid: CG[14.36554878208; 1.53330023051]
Coordinates of the circumscribed circle: U[14.02768948255; -18.97992176991]
Coordinates of the inscribed circle: I[14.99218948255; 2.24105536938]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 160.5333152575° = 160°31'59″ = 0.34397605826 rad
∠ B' = β' = 163° = 0.29767059728 rad
∠ C' = γ' = 36.46768474254° = 36°28'1″ = 2.50551260982 rad




How did we calculate this triangle?

1. Use Law of Cosines


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