9 25 27 triangle

Obtuse scalene triangle.

Sides: a = 9   b = 25   c = 27

Area: T = 112.3532959463
Perimeter: p = 61
Semiperimeter: s = 30.5

Angle ∠ A = α = 19.44547461971° = 19°26'41″ = 0.33993748434 rad
Angle ∠ B = β = 67.62655263278° = 67°37'32″ = 1.18802880928 rad
Angle ∠ C = γ = 92.93297274751° = 92°55'47″ = 1.62219297174 rad

Height: ha = 24.9677324325
Height: hb = 8.9888236757
Height: hc = 8.32224414417

Median: ma = 25.62771340575
Median: mb = 15.77218102956
Median: mc = 13.06771343454

Inradius: r = 3.68437035889
Circumradius: R = 13.5187667957

Vertex coordinates: A[27; 0] B[0; 0] C[3.42659259259; 8.32224414417]
Centroid: CG[10.14219753086; 2.77441471472]
Coordinates of the circumscribed circle: U[13.5; -0.69109030289]
Coordinates of the inscribed circle: I[5.5; 3.68437035889]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 160.5555253803° = 160°33'19″ = 0.33993748434 rad
∠ B' = β' = 112.3744473672° = 112°22'28″ = 1.18802880928 rad
∠ C' = γ' = 87.07702725249° = 87°4'13″ = 1.62219297174 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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