Area: T = 122.3766468326 Perimeter: p = 52 Semiperimeter: s = 26
Angle ∠ A = α = 42.83334280661° = 42°50' = 0.74875843497 rad Angle ∠ B = β = 60.9410718932° = 60°56'27″ = 1.06436161939 rad Angle ∠ C = γ = 76.2265853002° = 76°13'33″ = 1.333039211 rad
Height: ha = 17.4822352618 Height: hb = 13.59773853696 Height: hc = 12.23876468326
Median: ma = 17.6921806013 Median: mb = 14.73109198627 Median: mc = 12.64991106407
Inradius: r = 4.70767872433 Circumradius: R = 10.29660970948
Vertex coordinates: A[20; 0] B[0; 0] C[6.8; 12.23876468326] Centroid: CG[8.93333333333; 4.07992156109] Coordinates of the circumscribed circle: U[10; 2.45114516892] Coordinates of the inscribed circle: I[8; 4.70767872433]
Exterior(or external, outer) angles of the triangle: ∠ A' = α' = 137.1676571934° = 137°10' = 0.74875843497 rad ∠ B' = β' = 119.0599281068° = 119°3'33″ = 1.06436161939 rad ∠ C' = γ' = 103.7744146998° = 103°46'27″ = 1.333039211 rad