9 16 22 triangle

Obtuse scalene triangle.

Sides: a = 9   b = 16   c = 22

Area: T = 61.91547599527
Perimeter: p = 47
Semiperimeter: s = 23.5

Angle ∠ A = α = 20.59767412641° = 20°35'48″ = 0.35994809502 rad
Angle ∠ B = β = 38.71216710509° = 38°42'42″ = 0.67656461188 rad
Angle ∠ C = γ = 120.6921587685° = 120°41'30″ = 2.10664655846 rad

Height: ha = 13.7598835545
Height: hb = 7.73993449941
Height: hc = 5.62986145412

Median: ma = 18.70216042093
Median: mb = 14.78217454991
Median: mc = 6.8922024376

Inradius: r = 2.63546706363
Circumradius: R = 12.79217801927

Vertex coordinates: A[22; 0] B[0; 0] C[7.02327272727; 5.62986145412]
Centroid: CG[9.67442424242; 1.87662048471]
Coordinates of the circumscribed circle: U[11; -6.52991378067]
Coordinates of the inscribed circle: I[7.5; 2.63546706363]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 159.4033258736° = 159°24'12″ = 0.35994809502 rad
∠ B' = β' = 141.2888328949° = 141°17'18″ = 0.67656461188 rad
∠ C' = γ' = 59.30884123151° = 59°18'30″ = 2.10664655846 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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