#1 Obtuse scalene triangle.
Sides: a = 68 b = 53 c = 100.9733216448
Area: T = 1664.395474851
Perimeter: p = 221.9733216448
Semiperimeter: s = 110.9876608224
Angle ∠ A = α = 38.46437880528° = 38°27'50″ = 0.67113197443 rad
Angle ∠ B = β = 29° = 0.50661454831 rad
Angle ∠ C = γ = 112.5366211947° = 112°32'10″ = 1.96441274262 rad
Height: ha = 48.9532786721
Height: hb = 62.80773490005
Height: hc = 32.96770541768
Median: ma = 73.11883644503
Median: mb = 81.9899604516
Median: mc = 34.17701973957
Inradius: r = 14.99663565438
Circumradius: R = 54.66106315001
Vertex coordinates: A[100.9733216448; 0] B[0; 0] C[59.47441400855; 32.96770541768]
Centroid: CG[53.48224521777; 10.98990180589]
Coordinates of the circumscribed circle: U[50.48766082238; -20.95496306901]
Coordinates of the inscribed circle: I[57.98766082238; 14.99663565438]
Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 141.5366211947° = 141°32'10″ = 0.67113197443 rad
∠ B' = β' = 151° = 0.50661454831 rad
∠ C' = γ' = 67.46437880528° = 67°27'50″ = 1.96441274262 rad