17 18 22 triangle

Acute scalene triangle.

Sides: a = 17   b = 18   c = 22

Area: T = 149.5622486941
Perimeter: p = 57
Semiperimeter: s = 28.5

Angle ∠ A = α = 49.05773686884° = 49°3'27″ = 0.8566212606 rad
Angle ∠ B = β = 53.11109502942° = 53°6'39″ = 0.92769609515 rad
Angle ∠ C = γ = 77.83216810174° = 77°49'54″ = 1.35884190961 rad

Height: ha = 17.5965586699
Height: hb = 16.61880541046
Height: hc = 13.59765897219

Median: ma = 18.21440056001
Median: mb = 17.47985582929
Median: mc = 13.62198384719

Inradius: r = 5.24878065593
Circumradius: R = 11.25328217097

Vertex coordinates: A[22; 0] B[0; 0] C[10.20545454545; 13.59765897219]
Centroid: CG[10.73548484848; 4.5322196574]
Coordinates of the circumscribed circle: U[11; 2.37219183015]
Coordinates of the inscribed circle: I[10.5; 5.24878065593]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 130.9432631312° = 130°56'33″ = 0.8566212606 rad
∠ B' = β' = 126.8899049706° = 126°53'21″ = 0.92769609515 rad
∠ C' = γ' = 102.1688318983° = 102°10'6″ = 1.35884190961 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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