20 26 27 triangle

Acute scalene triangle.

Sides: a = 20   b = 26   c = 27

Area: T = 245.1010872092
Perimeter: p = 73
Semiperimeter: s = 36.5

Angle ∠ A = α = 44.29902177194° = 44°17'25″ = 0.77330101256 rad
Angle ∠ B = β = 65.22004820834° = 65°12'2″ = 1.13879630862 rad
Angle ∠ C = γ = 70.50993001972° = 70°30'33″ = 1.23106194417 rad

Height: ha = 24.51100872091
Height: hb = 18.85439132378
Height: hc = 18.15656201549

Median: ma = 24.54658754173
Median: mb = 19.88771818014
Median: mc = 18.86113361139

Inradius: r = 6.71550923861
Circumradius: R = 14.32106344802

Vertex coordinates: A[27; 0] B[0; 0] C[8.38988888889; 18.15656201549]
Centroid: CG[11.79662962963; 6.0521873385]
Coordinates of the circumscribed circle: U[13.5; 4.77881347737]
Coordinates of the inscribed circle: I[10.5; 6.71550923861]

Exterior(or external, outer) angles of the triangle:
∠ A' = α' = 135.7109782281° = 135°42'35″ = 0.77330101256 rad
∠ B' = β' = 114.8799517917° = 114°47'58″ = 1.13879630862 rad
∠ C' = γ' = 109.4910699803° = 109°29'27″ = 1.23106194417 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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