Area: T = 35.89548116028 Perimeter: p = 31 Semiperimeter: s = 15.5
Angle ∠ A = α = 27.39993615864° = 27°23'58″ = 0.47882090726 rad Angle ∠ B = β = 66.98216671563° = 66°58'54″ = 1.16990506304 rad Angle ∠ C = γ = 85.61989712574° = 85°37'8″ = 1.49443329506 rad
Height: ha = 11.96549372009 Height: hb = 5.98224686005 Height: hc = 5.52222787081
Median: ma = 12.14549578015 Median: mb = 8.15547532152 Median: mc = 6.91101374805
Inradius: r = 2.3165794297 Circumradius: R = 6.51990480059
Vertex coordinates: A[13; 0] B[0; 0] C[2.34661538462; 5.52222787081] Centroid: CG[5.11553846154; 1.84107595694] Coordinates of the circumscribed circle: U[6.5; 0.49879828338] Coordinates of the inscribed circle: I[3.5; 2.3165794297]
Exterior(or external, outer) angles of the triangle: ∠ A' = α' = 152.6010638414° = 152°36'2″ = 0.47882090726 rad ∠ B' = β' = 113.0188332844° = 113°1'6″ = 1.16990506304 rad ∠ C' = γ' = 94.38110287426° = 94°22'52″ = 1.49443329506 rad