Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=75.98658070397 and with side c=22.74110889918

#1 Obtuse scalene triangle.

Sides: a = 57   b = 39   c = 75.98658070397

Area: T = 1082.798775032
Perimeter: p = 171.986580704
Semiperimeter: s = 85.99329035198

Angle ∠ A = α = 46.95109201998° = 46°57'3″ = 0.81994481443 rad
Angle ∠ B = β = 30° = 0.52435987756 rad
Angle ∠ C = γ = 103.04990798° = 103°2'57″ = 1.79985457337 rad

Height: ha = 37.99329035198
Height: hb = 55.52880897598
Height: hc = 28.5

Median: ma = 53.24663279085
Median: mb = 64.27441894989
Median: mc = 30.68545120889

Inradius: r = 12.59217105481
Circumradius: R = 39

Vertex coordinates: A[75.98658070397; 0] B[0; 0] C[49.36334480157; 28.5]
Centroid: CG[41.78330850185; 9.5]
Coordinates of the circumscribed circle: U[37.99329035198; -8.80656392234]
Coordinates of the inscribed circle: I[46.99329035198; 12.59217105481]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 133.04990798° = 133°2'57″ = 0.81994481443 rad
∠ B' = β' = 150° = 0.52435987756 rad
∠ C' = γ' = 76.95109201998° = 76°57'3″ = 1.79985457337 rad




How did we calculate this triangle?

1. Use Law of Cosines


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