Triangle calculator

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

You have entered side a, b and angle γ.

Acute scalene triangle.

Sides: a = 5.64   b = 4.917   c = 4.91766841664

Area: T = 11.3588313097
Perimeter: p = 15.47436841664
Semiperimeter: s = 7.73768420832

Angle ∠ A = α = 69.99547433355° = 69°59'41″ = 1.22216387303 rad
Angle ∠ B = β = 55.00552566645° = 55°19″ = 0.96600228347 rad
Angle ∠ C = γ = 55° = 0.96599310886 rad

Height: ha = 4.02877706018
Height: hb = 4.62200175298
Height: hc = 4.62203143063

Median: ma = 4.02877706112
Median: mb = 4.68548126266
Median: mc = 4.68550612271

Inradius: r = 1.46880812888
Circumradius: R = 3.00110815457

Vertex coordinates: A[4.91766841664; 0] B[0; 0] C[3.23545472188; 4.62203143063]
Centroid: CG[2.71770771284; 1.54401047688]
Coordinates of the circumscribed circle: U[2.45883420832; 1.72113496582]
Coordinates of the inscribed circle: I[2.82198420832; 1.46880812888]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 110.0055256665° = 110°19″ = 1.22216387303 rad
∠ B' = β' = 124.9954743335° = 124°59'41″ = 0.96600228347 rad
∠ C' = γ' = 125° = 0.96599310886 rad

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How did we calculate this triangle?

1. Input data entered: side a, b and angle γ.


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