Area: T = 304.9977438514 Perimeter: p = 81 Semiperimeter: s = 40.5
Angle ∠ A = α = 46.56774634422° = 46°34'3″ = 0.81327555614 rad Angle ∠ B = β = 62.13549067337° = 62°8'6″ = 1.08444587029 rad Angle ∠ C = γ = 71.29876298241° = 71°17'51″ = 1.24443783893 rad
Height: ha = 26.52215163925 Height: hb = 21.78655313224 Height: hc = 20.33331625676
Median: ma = 26.64111336095 Median: mb = 22.77105950735 Median: mc = 20.77325780778
Inradius: r = 7.5310800951 Circumradius: R = 15.83661985712
Vertex coordinates: A[30; 0] B[0; 0] C[10.75; 20.33331625676] Centroid: CG[13.58333333333; 6.77877208559] Coordinates of the circumscribed circle: U[15; 5.07879114984] Coordinates of the inscribed circle: I[12.5; 7.5310800951]
Exterior(or external, outer) angles of the triangle: ∠ A' = α' = 133.4332536558° = 133°25'57″ = 0.81327555614 rad ∠ B' = β' = 117.8655093266° = 117°51'54″ = 1.08444587029 rad ∠ C' = γ' = 108.7022370176° = 108°42'9″ = 1.24443783893 rad