Triangle calculator SSA

Please enter two sides and a non-included angle
°


Triangle has two solutions with side c=81.63108193372 and with side c=33.41987506894

#1 Acute scalene triangle.

Sides: a = 73   b = 51   c = 81.63108193372

Area: T = 1834.379869928
Perimeter: p = 205.6310819337
Semiperimeter: s = 102.8155409669

Angle ∠ A = α = 61.79224209059° = 61°47'33″ = 1.07884811976 rad
Angle ∠ B = β = 38° = 0.66332251158 rad
Angle ∠ C = γ = 80.20875790941° = 80°12'27″ = 1.43998863402 rad

Height: ha = 50.25769506652
Height: hb = 71.93664195796
Height: hc = 44.94332876988

Median: ma = 57.44660210357
Median: mb = 73.11766556458
Median: mc = 47.94989555005

Inradius: r = 17.84114763428
Circumradius: R = 41.41988657598

Vertex coordinates: A[81.63108193372; 0] B[0; 0] C[57.52547850133; 44.94332876988]
Centroid: CG[46.38552014502; 14.98110958996]
Coordinates of the circumscribed circle: U[40.81554096686; 7.04444853903]
Coordinates of the inscribed circle: I[51.81554096686; 17.84114763428]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 118.2087579094° = 118°12'27″ = 1.07884811976 rad
∠ B' = β' = 142° = 0.66332251158 rad
∠ C' = γ' = 99.79224209059° = 99°47'33″ = 1.43998863402 rad




How did we calculate this triangle?

1. Use Law of Cosines


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