19 20 29 triangle

Obtuse scalene triangle.

Sides: a = 19   b = 20   c = 29

Area: T = 188.9444436277
Perimeter: p = 68
Semiperimeter: s = 34

Angle ∠ A = α = 40.6577248638° = 40°39'26″ = 0.71096028535 rad
Angle ∠ B = β = 43.33004229429° = 43°18'2″ = 0.75657349479 rad
Angle ∠ C = γ = 96.04223284191° = 96°2'32″ = 1.67662548522 rad

Height: ha = 19.88988880291
Height: hb = 18.89444436277
Height: hc = 13.03106507777

Median: ma = 23.02771578793
Median: mb = 22.38330292856
Median: mc = 13.04879883507

Inradius: r = 5.55771893023
Circumradius: R = 14.58110062169

Vertex coordinates: A[29; 0] B[0; 0] C[13.82875862069; 13.03106507777]
Centroid: CG[14.2765862069; 4.34435502592]
Coordinates of the circumscribed circle: U[14.5; -1.53548427597]
Coordinates of the inscribed circle: I[14; 5.55771893023]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 139.3432751362° = 139°20'34″ = 0.71096028535 rad
∠ B' = β' = 136.7699577057° = 136°41'58″ = 0.75657349479 rad
∠ C' = γ' = 83.95876715809° = 83°57'28″ = 1.67662548522 rad

Calculate another triangle




How did we calculate this triangle?

Now we know the lengths of all three sides of the triangle and the triangle is uniquely determined. Next we calculate another its characteristics - same procedure as calculation of the triangle from the known three sides SSS.


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