Triangle calculator

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

You have entered side a, b and c.

Obtuse scalene triangle.

Sides: a = 93.5   b = 121.3   c = 207.8220394

Area: T = 2796.392154589
Perimeter: p = 422.6220394
Semiperimeter: s = 211.3110197

Angle ∠ A = α = 12.81883033513° = 12°49'6″ = 0.2243721598 rad
Angle ∠ B = β = 16.72877742945° = 16°43'40″ = 0.2921954738 rad
Angle ∠ C = γ = 150.4543922354° = 150°27'14″ = 2.62659163176 rad

Height: ha = 59.81658619441
Height: hb = 46.10770329083
Height: hc = 26.91216181724

Median: ma = 163.6032996859
Median: mb = 149.2989519328
Median: mc = 30.50664084976

Inradius: r = 13.23435854378
Circumradius: R = 210.7188469758

Vertex coordinates: A[207.8220394; 0] B[0; 0] C[89.54333683046; 26.91216181724]
Centroid: CG[99.12112541015; 8.97105393908]
Coordinates of the circumscribed circle: U[103.9110197; -183.3176514413]
Coordinates of the inscribed circle: I[90.0110197; 13.23435854378]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 167.1821696649° = 167°10'54″ = 0.2243721598 rad
∠ B' = β' = 163.2722225705° = 163°16'20″ = 0.2921954738 rad
∠ C' = γ' = 29.54660776458° = 29°32'46″ = 2.62659163176 rad

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How did we calculate this triangle?

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


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