Triangle calculator SAS

Please enter two sides of the triangle and the included angle
°


Obtuse scalene triangle.

Sides: a = 104.55   b = 123.84   c = 177.9077025411

Area: T = 6332.269933618
Perimeter: p = 406.2977025411
Semiperimeter: s = 203.1498512706

Angle ∠ A = α = 35.08773485468° = 35°5'14″ = 0.61223897579 rad
Angle ∠ B = β = 42.91326514532° = 42°54'46″ = 0.74989670586 rad
Angle ∠ C = γ = 102° = 1.7880235837 rad

Height: ha = 121.1343798875
Height: hb = 102.2655331657
Height: hc = 71.18662763322

Median: ma = 144.0876612912
Median: mb = 132.124388011
Median: mc = 72.25550802874

Inradius: r = 31.17106408866
Circumradius: R = 90.94107870948

Vertex coordinates: A[177.9077025411; 0] B[0; 0] C[76.5721643328; 71.18662763322]
Centroid: CG[84.82662229131; 23.72987587774]
Coordinates of the circumscribed circle: U[88.95435127056; -18.90876528092]
Coordinates of the inscribed circle: I[79.30985127056; 31.17106408866]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 144.9132651453° = 144°54'46″ = 0.61223897579 rad
∠ B' = β' = 137.0877348547° = 137°5'14″ = 0.74989670586 rad
∠ C' = γ' = 78° = 1.7880235837 rad

Calculate another triangle




How did we calculate this triangle?

1. Calculation of the third side c of the triangle using a Law of Cosines


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