Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=128.9421700851 and with side c=4.16546728441

#1 Obtuse scalene triangle.

Sides: a = 91   b = 88   c = 128.9421700851

Area: T = 4001.188029783
Perimeter: p = 307.9421700851
Semiperimeter: s = 153.9710850425

Angle ∠ A = α = 44.85496076577° = 44°50'59″ = 0.78327733219 rad
Angle ∠ B = β = 43° = 0.75504915784 rad
Angle ∠ C = γ = 92.15503923423° = 92°9'1″ = 1.60883277534 rad

Height: ha = 87.93880285238
Height: hb = 90.93659158598
Height: hc = 62.06218507657

Median: ma = 100.5722019514
Median: mb = 102.5554771265
Median: mc = 62.09767748393

Inradius: r = 25.98766090678
Circumradius: R = 64.51662841681

Vertex coordinates: A[128.9421700851; 0] B[0; 0] C[66.55331868473; 62.06218507657]
Centroid: CG[65.1654962566; 20.68772835886]
Coordinates of the circumscribed circle: U[64.47108504253; -2.42108197582]
Coordinates of the inscribed circle: I[65.97108504253; 25.98766090678]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 135.1550392342° = 135°9'1″ = 0.78327733219 rad
∠ B' = β' = 137° = 0.75504915784 rad
∠ C' = γ' = 87.85496076577° = 87°50'59″ = 1.60883277534 rad




How did we calculate this triangle?

1. Use Law of Cosines


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