Triangle calculator

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

You have entered side a, b and c.

Acute scalene triangle.

Sides: a = 26.83328   b = 33.94111   c = 36

Area: T = 4321.999572611
Perimeter: p = 96.77439
Semiperimeter: s = 48.387695

Angle ∠ A = α = 454.999986357° = 45° = 0.78553979253 rad
Angle ∠ B = β = 63.43549026306° = 63°26'6″ = 1.10771479116 rad
Angle ∠ C = γ = 71.56551110124° = 71°33'54″ = 1.24990468167 rad

Height: ha = 32.19993658963
Height: hb = 25.45658380613
Height: hc = 243.9999762562

Median: ma = 32.31109787169
Median: mb = 26.83328159278
Median: mc = 24.73986077321

Inradius: r = 8.92880182489
Circumradius: R = 18.97436593561

Vertex coordinates: A[36; 0] B[0; 0] C[122.0000123143; 243.9999762562]
Centroid: CG[166.0000041048; 87.9999920854]
Coordinates of the circumscribed circle: U[18; 65.9999791135]
Coordinates of the inscribed circle: I[14.446585; 8.92880182489]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 1355.000013643° = 135° = 0.78553979253 rad
∠ B' = β' = 116.5655097369° = 116°33'54″ = 1.10771479116 rad
∠ C' = γ' = 108.4354888988° = 108°26'6″ = 1.24990468167 rad

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How did we calculate this triangle?

1. Input data entered: side a, b and c.


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