Obtuse scalene triangle.

Sides: a = 16   b = 21   c = 27

Area: T = 167.8099415707
Perimeter: p = 64
Semiperimeter: s = 32

Angle ∠ A = α = 36.29333999285° = 36°17'36″ = 0.63334393255 rad
Angle ∠ B = β = 50.97771974348° = 50°58'38″ = 0.89897199387 rad
Angle ∠ C = γ = 92.72994026368° = 92°43'46″ = 1.61884333894 rad

Height: h_a = 20.97661769634
Height: h_b = 15.9821849115
Height: h_c = 12.43303270894

Median: m_a = 22.8255424421
Median: m_b = 19.5511214796
Median: m_c = 12.89437969582

Inradius: r = 5.24440442409
Circumradius: R = 13.51553322026

Vertex coordinates: A[27; 0] B[0; 0] C[10.07440740741; 12.43303270894]
Centroid: CG[12.35880246914; 4.14334423631]
Coordinates of the circumscribed circle: U[13.5; -0.64435872477]
Coordinates of the inscribed circle: I[11; 5.24440442409]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 143.7076600072° = 143°42'24″ = 0.63334393255 rad
∠ B' = β' = 129.0232802565° = 129°1'22″ = 0.89897199387 rad
∠ C' = γ' = 87.27105973632° = 87°16'14″ = 1.61884333894 rad

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