Obtuse scalene triangle.

Sides: a = 10   b = 12   c = 16

Area: T = 59.92549530663
Perimeter: p = 38
Semiperimeter: s = 19

Angle ∠ A = α = 38.62548328731° = 38°37'29″ = 0.67441305067 rad
Angle ∠ B = β = 48.50991831443° = 48°30'33″ = 0.84766449633 rad
Angle ∠ C = γ = 92.86659839826° = 92°51'58″ = 1.62108171836 rad

Height: h_a = 11.98549906133
Height: h_b = 9.98774921777
Height: h_c = 7.49106191333

Median: m_a = 13.22987565553
Median: m_b = 11.91663752878
Median: m_c = 7.61657731059

Inradius: r = 3.15439448982
Circumradius: R = 8.01100187891

Vertex coordinates: A[16; 0] B[0; 0] C[6.625; 7.49106191333]
Centroid: CG[7.54216666667; 2.49768730444]
Coordinates of the circumscribed circle: U[8; -0.40105009395]
Coordinates of the inscribed circle: I[7; 3.15439448982]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 141.3755167127° = 141°22'31″ = 0.67441305067 rad
∠ B' = β' = 131.4910816856° = 131°29'27″ = 0.84766449633 rad
∠ C' = γ' = 87.13440160174° = 87°8'2″ = 1.62108171836 rad

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