Triangle calculator

Please enter what you know about the triangle:
Symbols definition of ABC triangle

You have entered side b, c and angle β.

Triangle has two solutions: a=3.79662124427; b=35; c=38 and a=57.68990791298; b=35; c=38.

#1 Obtuse scalene triangle.

Sides: a = 3.79662124427   b = 35   c = 38

Area: T = 42.39657960793
Perimeter: p = 76.79662124427
Semiperimeter: s = 38.39881062213

Angle ∠ A = α = 3.6555261197° = 3°39'19″ = 0.06437963429 rad
Angle ∠ B = β = 36° = 0.62883185307 rad
Angle ∠ C = γ = 140.3454738803° = 140°20'41″ = 2.449947778 rad

Height: ha = 22.33658395871
Height: hb = 2.42326169188
Height: hc = 2.23113576884

Median: ma = 36.48114636874
Median: mb = 20.56658847234
Median: mc = 16.08443282252

Inradius: r = 1.10441116412
Circumradius: R = 29.77327782923

Vertex coordinates: A[38; 0] B[0; 0] C[3.07112003804; 2.23113576884]
Centroid: CG[13.69904001268; 0.74437858961]
Coordinates of the circumscribed circle: U[19; -22.92220053059]
Coordinates of the inscribed circle: I[3.39881062213; 1.10441116412]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 176.3454738803° = 176°20'41″ = 0.06437963429 rad
∠ B' = β' = 144° = 0.62883185307 rad
∠ C' = γ' = 39.6555261197° = 39°39'19″ = 2.449947778 rad




How did we calculate this triangle?

1. Input data entered: side b, c and angle β.


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