#1 Obtuse scalene triangle.

Sides: a = 37.5   b = 28.6   c = 51.74440868506

Area: T = 524.1422038681
Perimeter: p = 117.8444086851
Semiperimeter: s = 58.92220434253

Angle ∠ A = α = 45.1011398243° = 45°6'5″ = 0.78771678966 rad
Angle ∠ B = β = 32.7° = 32°42' = 0.57107226654 rad
Angle ∠ C = γ = 102.1998601757° = 102°11'55″ = 1.78437020916 rad

Height: h_a = 27.9544242063
Height: h_b = 36.65332894183
Height: h_c = 20.25990120179

Median: m_a = 37.36549938044
Median: m_b = 42.86444405306
Median: m_c = 21.04114440807

Inradius: r = 8.89655169952
Circumradius: R = 26.47697014606

Vertex coordinates: A[51.74440868506; 0] B[0; 0] C[31.55766543229; 20.25990120179]
Centroid: CG[27.76769137245; 6.7533004006]
Coordinates of the circumscribed circle: U[25.87220434253; -5.59330728952]
Coordinates of the inscribed circle: I[30.32220434253; 8.89655169952]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 134.8998601757° = 134°53'55″ = 0.78771678966 rad
∠ B' = β' = 147.3° = 147°18' = 0.57107226654 rad
∠ C' = γ' = 77.8011398243° = 77°48'5″ = 1.78437020916 rad