8 23 26 triangle

Obtuse scalene triangle.

Sides: a = 8   b = 23   c = 26

Area: T = 89.62994454964
Perimeter: p = 57
Semiperimeter: s = 28.5

Angle ∠ A = α = 17.44334308804° = 17°26'36″ = 0.30444453017 rad
Angle ∠ B = β = 59.52217304315° = 59°31'18″ = 1.03988501725 rad
Angle ∠ C = γ = 103.0354838688° = 103°2'5″ = 1.79882971794 rad

Height: ha = 22.40773613741
Height: hb = 7.79438648258
Height: hc = 6.89545727305

Median: ma = 24.21877620766
Median: mb = 15.41991439451
Median: mc = 11.29215897906

Inradius: r = 3.14548928244
Circumradius: R = 13.34438290662

Vertex coordinates: A[26; 0] B[0; 0] C[4.05876923077; 6.89545727305]
Centroid: CG[10.01992307692; 2.29881909102]
Coordinates of the circumscribed circle: U[13; -3.01096136209]
Coordinates of the inscribed circle: I[5.5; 3.14548928244]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 162.557656912° = 162°33'24″ = 0.30444453017 rad
∠ B' = β' = 120.4788269569° = 120°28'42″ = 1.03988501725 rad
∠ C' = γ' = 76.96551613118° = 76°57'55″ = 1.79882971794 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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