10 17 25 triangle

Obtuse scalene triangle.

Sides: a = 10   b = 17   c = 25

Area: T = 61.18882341631
Perimeter: p = 52
Semiperimeter: s = 26

Angle ∠ A = α = 16.73549440407° = 16°44'6″ = 0.29220798736 rad
Angle ∠ B = β = 29.30881092355° = 29°18'29″ = 0.51215230037 rad
Angle ∠ C = γ = 133.9576946724° = 133°57'25″ = 2.33879897762 rad

Height: ha = 12.23876468326
Height: hb = 7.19986157839
Height: hc = 4.8955058733

Median: ma = 20.78546096908
Median: mb = 17.03767250374
Median: mc = 6.18546584384

Inradius: r = 2.35333936217
Circumradius: R = 17.36444494654

Vertex coordinates: A[25; 0] B[0; 0] C[8.72; 4.8955058733]
Centroid: CG[11.24; 1.63216862443]
Coordinates of the circumscribed circle: U[12.5; -12.05329708054]
Coordinates of the inscribed circle: I[9; 2.35333936217]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 163.2655055959° = 163°15'54″ = 0.29220798736 rad
∠ B' = β' = 150.6921890764° = 150°41'31″ = 0.51215230037 rad
∠ C' = γ' = 46.04330532762° = 46°2'35″ = 2.33879897762 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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