Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=792.7843767367 and with side c=113.5244019669

#1 Obtuse scalene triangle.

Sides: a = 500   b = 400   c = 792.7843767367

Area: T = 83761.22444253
Perimeter: p = 1692.784376737
Semiperimeter: s = 846.3921883684

Angle ∠ A = α = 31.88988308305° = 31°53'20″ = 0.55765650926 rad
Angle ∠ B = β = 25° = 0.4366332313 rad
Angle ∠ C = γ = 123.1111169169° = 123°6'40″ = 2.1498695248 rad

Height: ha = 335.0454897701
Height: hb = 418.8066122126
Height: hc = 211.309913087

Median: ma = 575.9880078562
Median: mb = 631.8654740986
Median: mc = 218.8800078953

Inradius: r = 98.96326980598
Circumradius: R = 473.244031663

Vertex coordinates: A[792.7843767367; 0] B[0; 0] C[453.1543893518; 211.309913087]
Centroid: CG[415.3132553629; 70.43663769568]
Coordinates of the circumscribed circle: U[396.3921883684; -258.5154742006]
Coordinates of the inscribed circle: I[446.3921883684; 98.96326980598]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 148.1111169169° = 148°6'40″ = 0.55765650926 rad
∠ B' = β' = 155° = 0.4366332313 rad
∠ C' = γ' = 56.88988308305° = 56°53'20″ = 2.1498695248 rad




How did we calculate this triangle?

1. Use Law of Cosines


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